28817632416 has 48 divisors (see below), whose sum is σ = 80096071104. Its totient is φ = 9040825344.

The previous prime is 28817632409. The next prime is 28817632423. The reversal of 28817632416 is 61423671882.

It is an interprime number because it is at equal distance from previous prime (28817632409) and next prime (28817632423).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8827300 + ... + 8830563.

It is an arithmetic number, because the mean of its divisors is an integer number (1668668148).

Almost surely, 2^28817632416 is an apocalyptic number.

It is an amenable number.

28817632416 is an abundant number, since it is smaller than the sum of its proper divisors (51278438688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28817632416 is a wasteful number, since it uses less digits than its factorization.

28817632416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17657893 (or 17657885 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The spelling of 28817632416 in words is "twenty-eight billion, eight hundred seventeen million, six hundred thirty-two thousand, four hundred sixteen".