76431686948 has 12 divisors (see below), whose sum is σ = 138367709340. Its totient is φ = 36898055712.

The previous prime is 76431686923. The next prime is 76431686983. The reversal of 76431686948 is 84968613467.

It can be written as a sum of positive squares in 2 ways, for example, as 43281473764 + 33150213184 = 208042^2 + 182072^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329446811 + ... + 329447042.

It is an arithmetic number, because the mean of its divisors is an integer number (11530642445).

Almost surely, 2^76431686948 is an apocalyptic number.

It is an amenable number.

76431686948 is a deficient number, since it is larger than the sum of its proper divisors (61936022392).

76431686948 is a wasteful number, since it uses less digits than its factorization.

76431686948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658893886 (or 658893884 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 62.

The spelling of 76431686948 in words is "seventy-six billion, four hundred thirty-one million, six hundred eighty-six thousand, nine hundred forty-eight".