28817632415 has 48 divisors (see below), whose sum is σ = 40896459360. Its totient is φ = 19324131840.

The previous prime is 28817632409. The next prime is 28817632423. The reversal of 28817632415 is 51423671882.

It is not a de Polignac number, because 28817632415 - 2¹⁶ = 28817566879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28817632415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16107341 + ... + 16109129.

It is an arithmetic number, because the mean of its divisors is an integer number (852009570).

Almost surely, 2^28817632415 is an apocalyptic number.

28817632415 is a deficient number, since it is larger than the sum of its proper divisors (12078826945).

28817632415 is a wasteful number, since it uses less digits than its factorization.

28817632415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564 (or 3551 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The spelling of 28817632415 in words is "twenty-eight billion, eight hundred seventeen million, six hundred thirty-two thousand, four hundred fifteen".