855726725 has 24 divisors (see below), whose sum is σ = 1225213248. Its totient is φ = 580723200.

The previous prime is 855726701. The next prime is 855726749. The reversal of 855726725 is 527627558.

It is an interprime number because it is at equal distance from previous prime (855726701) and next prime (855726749).

It is not a de Polignac number, because 855726725 - 2¹⁸ = 855464581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 855726725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8231 + ... + 42180.

It is an arithmetic number, because the mean of its divisors is an integer number (51050552).

Almost surely, 2^855726725 is an apocalyptic number.

It is an amenable number.

855726725 is a deficient number, since it is larger than the sum of its proper divisors (369486523).

855726725 is a wasteful number, since it uses less digits than its factorization.

855726725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50525 (or 50520 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 47.

The square root of 855726725 is about 29252.8071302567. The cubic root of 855726725 is about 949.3908282988.

The spelling of 855726725 in words is "eight hundred fifty-five million, seven hundred twenty-six thousand, seven hundred twenty-five".