76786045907 has 12 divisors (see below), whose sum is σ = 78444161544. Its totient is φ = 75162072960.

The previous prime is 76786045901. The next prime is 76786045909. The reversal of 76786045907 is 70954068767.

It is not a de Polignac number, because 76786045907 - 2⁴ = 76786045891 is a prime.

It is a super-2 number, since 2×76786045907² (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 (76786045901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1184732 + ... + 1247862.

It is an arithmetic number, because the mean of its divisors is an integer number (6537013462).

Almost surely, 2^76786045907 is an apocalyptic number.

76786045907 is a deficient number, since it is larger than the sum of its proper divisors (1658115637).

76786045907 is an equidigital number, since it uses as much as digits as its factorization.

76786045907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63670 (or 63617 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 59.

The spelling of 76786045907 in words is "seventy-six billion, seven hundred eighty-six million, forty-five thousand, nine hundred seven".