28387517110408 has 64 divisors (see below), whose sum is σ = 53556204049920. Its totient is φ = 14106159648000.

The previous prime is 28387517110319. The next prime is 28387517110457. The reversal of 28387517110408 is 80401171578382.

It is a super-2 number, since 2×28387517110408² (a number of 28 digits) contains 22 as substring.

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, 1647459153 + ... + 1647476383.

It is an arithmetic number, because the mean of its divisors is an integer number (836815688280).

Almost surely, 2^{28387517110408} is an apocalyptic number.

It is an amenable number.

28387517110408 is a deficient number, since it is larger than the sum of its proper divisors (25168686939512).

28387517110408 is a wasteful number, since it uses less digits than its factorization.

28387517110408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19318 (or 19314 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 55.

The spelling of 28387517110408 in words is "twenty-eight trillion, three hundred eighty-seven billion, five hundred seventeen million, one hundred ten thousand, four hundred eight".