886921315225 has 27 divisors (see below), whose sum is σ = 1208922365119. Its totient is φ = 644996013200.

The previous prime is 886921315213. The next prime is 886921315243. The reversal of 886921315225 is 522513129688.

The square root of 886921315225 is 941765.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 319291673481 + 567629641744 = 565059^2 + 753412^2 .

It is not a de Polignac number, because 886921315225 - 2⁷ = 886921315097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 51788514 + ... + 51805636.

Almost surely, 2^886921315225 is an apocalyptic number.

886921315225 is the 941765-th square number.

886921315225 is the 470883-rd centered octagonal number.

It is an amenable number.

886921315225 is a deficient number, since it is larger than the sum of its proper divisors (322001049894).

886921315225 is an frugal number, since it uses more digits than its factorization.

886921315225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34278 (or 17139 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 52.

The spelling of 886921315225 in words is "eight hundred eighty-six billion, nine hundred twenty-one million, three hundred fifteen thousand, two hundred twenty-five".