28372707364 has 9 divisors (see below), whose sum is σ = 49652827441. Its totient is φ = 14186185240.

The previous prime is 28372707361. The next prime is 28372707403. The reversal of 28372707364 is 46370727382.

The square root of 28372707364 is 168442.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 28209889764 + 162817600 = 167958^2 + 12760^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28372707361) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 294774 + ... + 378994.

Almost surely, 2^28372707364 is an apocalyptic number.

28372707364 is the 168442-nd square number.

It is an amenable number.

28372707364 is a deficient number, since it is larger than the sum of its proper divisors (21280120077).

28372707364 is an frugal number, since it uses more digits than its factorization.

28372707364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168446 (or 84223 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 49.

Multiplying 28372707364 by its sum of digits (49), we get a square (1390262660836 = 1179094²).

The spelling of 28372707364 in words is "twenty-eight billion, three hundred seventy-two million, seven hundred seven thousand, three hundred sixty-four".