855708572 has 6 divisors (see below), whose sum is σ = 1497490008. Its totient is φ = 427854284.

The previous prime is 855708571. The next prime is 855708587. The reversal of 855708572 is 275807558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855708571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106963568 + ... + 106963575.

It is an arithmetic number, because the mean of its divisors is an integer number (249581668).

Almost surely, 2^855708572 is an apocalyptic number.

It is an amenable number.

855708572 is a deficient number, since it is larger than the sum of its proper divisors (641781436).

855708572 is a wasteful number, since it uses less digits than its factorization.

855708572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213927147 (or 213927145 counting only the distinct ones).

The product of its (nonzero) digits is 784000, while the sum is 47.

The square root of 855708572 is about 29252.4968506964. The cubic root of 855708572 is about 949.3841149354.

The spelling of 855708572 in words is "eight hundred fifty-five million, seven hundred eight thousand, five hundred seventy-two".