76406554929897 has 16 divisors (see below), whose sum is σ = 113232119232960. Its totient is φ = 50920952918400.

The previous prime is 76406554929877. The next prime is 76406554929959. The reversal of 76406554929897 is 79892945560467.

It is a happy number.

76406554929897 is a `hidden beast` number, since 7 + 6 + 4 + 0 + 65 + 549 + 2 + 9 + 8 + 9 + 7 = 666.

It is not a de Polignac number, because 76406554929897 - 2²⁰ = 76406553881321 is a prime.

It is a super-4 number, since 4×76406554929897⁴ (a number of 57 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (76406554929877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465204379 + ... + 465368592.

It is an arithmetic number, because the mean of its divisors is an integer number (7077007452060).

Almost surely, 2^{76406554929897} is an apocalyptic number.

It is an amenable number.

76406554929897 is a deficient number, since it is larger than the sum of its proper divisors (36825564303063).

76406554929897 is a wasteful number, since it uses less digits than its factorization.

76406554929897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930576021 (or 930576015 counting only the distinct ones).

The product of its (nonzero) digits is 8230118400, while the sum is 81.

The spelling of 76406554929897 in words is "seventy-six trillion, four hundred six billion, five hundred fifty-four million, nine hundred twenty-nine thousand, eight hundred ninety-seven".