28760473658 has 24 divisors (see below), whose sum is σ = 50628218292. Its totient is φ = 12216833664.

The previous prime is 28760473633. The next prime is 28760473669. The reversal of 28760473658 is 85637406782.

It can be written as a sum of positive squares in 2 ways, for example, as 19386942169 + 9373531489 = 139237^2 + 96817^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1287485 + ... + 1309632.

Almost surely, 2^28760473658 is an apocalyptic number.

28760473658 is a deficient number, since it is larger than the sum of its proper divisors (21867744634).

28760473658 is a wasteful number, since it uses less digits than its factorization.

28760473658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597246 (or 2597239 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 28760473658 in words is "twenty-eight billion, seven hundred sixty million, four hundred seventy-three thousand, six hundred fifty-eight".