28757320176 has 40 divisors (see below), whose sum is σ = 80004341200. Its totient is φ = 8848406016.

The previous prime is 28757320157. The next prime is 28757320181. The reversal of 28757320176 is 67102375782.

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

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, 23042101 + ... + 23043348.

It is an arithmetic number, because the mean of its divisors is an integer number (2000108530).

Almost surely, 2^28757320176 is an apocalyptic number.

28757320176 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28757320176 is an abundant number, since it is smaller than the sum of its proper divisors (51247021024).

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

28757320176 is a wasteful number, since it uses less digits than its factorization.

28757320176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46085473 (or 46085467 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 28757320176 in words is "twenty-eight billion, seven hundred fifty-seven million, three hundred twenty thousand, one hundred seventy-six".