854812870 has 64 divisors (see below), whose sum is σ = 1659709440. Its totient is φ = 316947456.

The previous prime is 854812843. The next prime is 854812873. The reversal of 854812870 is 78218458.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854812873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6239442 + ... + 6239578.

It is an arithmetic number, because the mean of its divisors is an integer number (25932960).

Almost surely, 2^854812870 is an apocalyptic number.

854812870 is a deficient number, since it is larger than the sum of its proper divisors (804896570).

854812870 is a wasteful number, since it uses less digits than its factorization.

854812870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 43.

The square root of 854812870 is about 29237.1830038395. The cubic root of 854812870 is about 949.0527473982.

The spelling of 854812870 in words is "eight hundred fifty-four million, eight hundred twelve thousand, eight hundred seventy".