76103556481 has 4 divisors (see below), whose sum is σ = 80580236292. Its totient is φ = 71626876672.

The previous prime is 76103556469. The next prime is 76103556491. The reversal of 76103556481 is 18465530167.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18465530167 = 7 ⋅2637932881.

It can be written as a sum of positive squares in 2 ways, for example, as 48392960256 + 27710596225 = 219984^2 + 166465^2 .

It is a cyclic number.

It is not a de Polignac number, because 76103556481 - 2¹³ = 76103548289 is a prime.

It is a super-2 number, since 2×76103556481² (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 (76103556401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2238339880 + ... + 2238339913.

It is an arithmetic number, because the mean of its divisors is an integer number (20145059073).

Almost surely, 2^76103556481 is an apocalyptic number.

It is an amenable number.

76103556481 is a deficient number, since it is larger than the sum of its proper divisors (4476679811).

76103556481 is a wasteful number, since it uses less digits than its factorization.

76103556481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4476679810.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 76103556481 in words is "seventy-six billion, one hundred three million, five hundred fifty-six thousand, four hundred eighty-one".