852915720 has 32 divisors (see below), whose sum is σ = 2558747520. Its totient is φ = 227444160.

The previous prime is 852915691. The next prime is 852915733. The reversal of 852915720 is 27519258.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 3553696 + ... + 3553935.

It is an arithmetic number, because the mean of its divisors is an integer number (79960860).

Almost surely, 2^852915720 is an apocalyptic number.

It is an amenable number.

852915720 is an abundant number, since it is smaller than the sum of its proper divisors (1705831800).

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

852915720 is a wasteful number, since it uses less digits than its factorization.

852915720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7107645 (or 7107641 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 852915720 is about 29204.7208512596. The cubic root of 852915720 is about 948.3501261505.

The spelling of 852915720 in words is "eight hundred fifty-two million, nine hundred fifteen thousand, seven hundred twenty".