8785521372 has 48 divisors (see below), whose sum is σ = 20734767872. Its totient is φ = 2895004800.

The previous prime is 8785521361. The next prime is 8785521383. The reversal of 8785521372 is 2731255878.

It is an interprime number because it is at equal distance from previous prime (8785521361) and next prime (8785521383).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 736923 + ... + 748749.

Almost surely, 2^8785521372 is an apocalyptic number.

It is an amenable number.

8785521372 is an abundant number, since it is smaller than the sum of its proper divisors (11949246500).

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

8785521372 is a wasteful number, since it uses less digits than its factorization.

8785521372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12538 (or 12536 counting only the distinct ones).

The product of its digits is 940800, while the sum is 48.

The square root of 8785521372 is about 93731.1120813148. The cubic root of 8785521372 is about 2063.4273366581.

The spelling of 8785521372 in words is "eight billion, seven hundred eighty-five million, five hundred twenty-one thousand, three hundred seventy-two".