28122764150 has 48 divisors (see below), whose sum is σ = 56584961664. Its totient is φ = 10337172480.

The previous prime is 28122764143. The next prime is 28122764161. The reversal of 28122764150 is 5146722182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47942 + ... + 241958.

It is an arithmetic number, because the mean of its divisors is an integer number (1178853368).

Almost surely, 2^28122764150 is an apocalyptic number.

28122764150 is an abundant number, since it is smaller than the sum of its proper divisors (28462197514).

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

28122764150 is a wasteful number, since it uses less digits than its factorization.

28122764150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194265 (or 194260 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 28122764150 in words is "twenty-eight billion, one hundred twenty-two million, seven hundred sixty-four thousand, one hundred fifty".