76865762457 has 32 divisors (see below), whose sum is σ = 128511216000. Its totient is φ = 44978915520.

The previous prime is 76865762437. The next prime is 76865762461. The reversal of 76865762457 is 75426756867.

76865762457 is a `hidden beast` number, since 7 + 6 + 8 + 6 + 576 + 2 + 4 + 57 = 666.

It is not a de Polignac number, because 76865762457 - 2¹⁰ = 76865761433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76865762394 and 76865762403.

It is not an unprimeable number, because it can be changed into a prime (76865762437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4453582 + ... + 4470807.

It is an arithmetic number, because the mean of its divisors is an integer number (4015975500).

Almost surely, 2^76865762457 is an apocalyptic number.

It is an amenable number.

76865762457 is a deficient number, since it is larger than the sum of its proper divisors (51645453543).

76865762457 is a wasteful number, since it uses less digits than its factorization.

76865762457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8924438 (or 8924432 counting only the distinct ones).

The product of its digits is 118540800, while the sum is 63.

The spelling of 76865762457 in words is "seventy-six billion, eight hundred sixty-five million, seven hundred sixty-two thousand, four hundred fifty-seven".