78241480633 has 4 divisors (see below), whose sum is σ = 78242168308. Its totient is φ = 78240792960.

The previous prime is 78241480589. The next prime is 78241480643. The reversal of 78241480633 is 33608414287.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 23507942329 + 54733538304 = 153323^2 + 233952^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78241480633 is a prime.

It is a super-2 number, since 2×78241480633² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78241480643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128016 + ... + 415777.

It is an arithmetic number, because the mean of its divisors is an integer number (19560542077).

Almost surely, 2^78241480633 is an apocalyptic number.

It is an amenable number.

78241480633 is a deficient number, since it is larger than the sum of its proper divisors (687675).

78241480633 is a wasteful number, since it uses less digits than its factorization.

78241480633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687674.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 78241480633 in words is "seventy-eight billion, two hundred forty-one million, four hundred eighty thousand, six hundred thirty-three".