77300124841 has 3 divisors (see below), whose sum is σ = 77300402871. Its totient is φ = 77299846812.

The previous prime is 77300124817. The next prime is 77300124851. The reversal of 77300124841 is 14842100377.

The square root of 77300124841 is 278029.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14842100377 = 13 ⋅1141700029.

It can be written as a sum of positive squares in only one way, i.e., 10084377241 + 67215747600 = 100421^2 + 259260^2 .

It is not a de Polignac number, because 77300124841 - 2⁵ = 77300124809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77300124841.

It is not an unprimeable number, because it can be changed into a prime (77300124851) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 139015 + ... + 417043.

It is an arithmetic number, because the mean of its divisors is an integer number (25766800957).

Almost surely, 2^77300124841 is an apocalyptic number.

77300124841 is the 278029-th square number.

77300124841 is the 139015-th centered octagonal number.

It is an amenable number.

77300124841 is a deficient number, since it is larger than the sum of its proper divisors (278030).

77300124841 is an frugal number, since it uses more digits than its factorization.

77300124841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556058 (or 278029 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 77300124841 in words is "seventy-seven billion, three hundred million, one hundred twenty-four thousand, eight hundred forty-one".