28572888730 has 16 divisors (see below), whose sum is σ = 53667339264. Its totient is φ = 10932235600.

The previous prime is 28572888727. The next prime is 28572888781. The reversal of 28572888730 is 3788827582.

It is a super-2 number, since 2×28572888730² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62114746 + ... + 62115205.

It is an arithmetic number, because the mean of its divisors is an integer number (3354208704).

Almost surely, 2^28572888730 is an apocalyptic number.

28572888730 is a deficient number, since it is larger than the sum of its proper divisors (25094450534).

28572888730 is a wasteful number, since it uses less digits than its factorization.

28572888730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124229981.

The product of its (nonzero) digits is 12042240, while the sum is 58.

The spelling of 28572888730 in words is "twenty-eight billion, five hundred seventy-two million, eight hundred eighty-eight thousand, seven hundred thirty".