28696987162 has 32 divisors (see below), whose sum is σ = 45473270400. Its totient is φ = 13555035648.

The previous prime is 28696987141. The next prime is 28696987177. The reversal of 28696987162 is 26178969682.

It is a junction number, because it is equal to n+sod(n) for n = 28696987094 and 28696987103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4127373 + ... + 4134319.

It is an arithmetic number, because the mean of its divisors is an integer number (1421039700).

Almost surely, 2^28696987162 is an apocalyptic number.

28696987162 is a deficient number, since it is larger than the sum of its proper divisors (16776283238).

28696987162 is a wasteful number, since it uses less digits than its factorization.

28696987162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8070.

The product of its digits is 31352832, while the sum is 64.

The spelling of 28696987162 in words is "twenty-eight billion, six hundred ninety-six million, nine hundred eighty-seven thousand, one hundred sixty-two".