76440172107 has 32 divisors (see below), whose sum is σ = 116929209600. Its totient is φ = 44027356032.

The previous prime is 76440172091. The next prime is 76440172117. The reversal of 76440172107 is 70127104467.

It is not a de Polignac number, because 76440172107 - 2⁴ = 76440172091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (76440172117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 559932 + ... + 682937.

It is an arithmetic number, because the mean of its divisors is an integer number (3654037800).

Almost surely, 2^76440172107 is an apocalyptic number.

76440172107 is a deficient number, since it is larger than the sum of its proper divisors (40489037493).

76440172107 is a wasteful number, since it uses less digits than its factorization.

76440172107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242987.

The product of its (nonzero) digits is 65856, while the sum is 39.

The spelling of 76440172107 in words is "seventy-six billion, four hundred forty million, one hundred seventy-two thousand, one hundred seven".