851353320 has 32 divisors (see below), whose sum is σ = 2554060320. Its totient is φ = 227027520.

The previous prime is 851353291. The next prime is 851353331. The reversal of 851353320 is 23353158.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 3547186 + ... + 3547425.

It is an arithmetic number, because the mean of its divisors is an integer number (79814385).

Almost surely, 2^851353320 is an apocalyptic number.

It is an amenable number.

851353320 is an abundant number, since it is smaller than the sum of its proper divisors (1702707000).

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

851353320 is a wasteful number, since it uses less digits than its factorization.

851353320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7094625 (or 7094621 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 851353320 is about 29177.9594899986. The cubic root of 851353320 is about 947.7706988721.

The spelling of 851353320 in words is "eight hundred fifty-one million, three hundred fifty-three thousand, three hundred twenty".