28288792284 has 24 divisors (see below), whose sum is σ = 68283292560. Its totient is φ = 9104438784.

The previous prime is 28288792277. The next prime is 28288792291. The reversal of 28288792284 is 48229788282.

It is an interprime number because it is at equal distance from previous prime (28288792277) and next prime (28288792291).

It is a congruent number.

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, 40644469 + ... + 40645164.

It is an arithmetic number, because the mean of its divisors is an integer number (2845137190).

Almost surely, 2^28288792284 is an apocalyptic number.

It is an amenable number.

28288792284 is an abundant number, since it is smaller than the sum of its proper divisors (39994500276).

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

28288792284 is a wasteful number, since it uses less digits than its factorization.

28288792284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81289669 (or 81289667 counting only the distinct ones).

The product of its digits is 16515072, while the sum is 60.

The spelling of 28288792284 in words is "twenty-eight billion, two hundred eighty-eight million, seven hundred ninety-two thousand, two hundred eighty-four".