28631714632 has 16 divisors (see below), whose sum is σ = 53775004140. Its totient is φ = 14291713536.

The previous prime is 28631714621. The next prime is 28631714659. The reversal of 28631714632 is 23641713682.

It can be written as a sum of positive squares in 2 ways, for example, as 27777555556 + 854159076 = 166666^2 + 29226^2 .

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, 3012933 + ... + 3022420.

Almost surely, 2^28631714632 is an apocalyptic number.

It is an amenable number.

28631714632 is a deficient number, since it is larger than the sum of its proper divisors (25143289508).

28631714632 is a wasteful number, since it uses less digits than its factorization.

28631714632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6035952 (or 6035948 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The spelling of 28631714632 in words is "twenty-eight billion, six hundred thirty-one million, seven hundred fourteen thousand, six hundred thirty-two".