851055752 has 32 divisors (see below), whose sum is σ = 1752753600. Its totient is φ = 385602624.

The previous prime is 851055749. The next prime is 851055761. The reversal of 851055752 is 257550158.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 118223 + ... + 125214.

It is an arithmetic number, because the mean of its divisors is an integer number (54773550).

Almost surely, 2^851055752 is an apocalyptic number.

It is an amenable number.

851055752 is an abundant number, since it is smaller than the sum of its proper divisors (901697848).

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

851055752 is a wasteful number, since it uses less digits than its factorization.

851055752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243485 (or 243481 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 38.

The square root of 851055752 is about 29172.8598529524. The cubic root of 851055752 is about 947.6602632909.

The spelling of 851055752 in words is "eight hundred fifty-one million, fifty-five thousand, seven hundred fifty-two".