8786725 has 6 divisors (see below), whose sum is σ = 10895570. Its totient is φ = 7029360.

The previous prime is 8786719. The next prime is 8786779. The reversal of 8786725 is 5276878.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1119364 + 7667361 = 1058^2 + 2769^2 .

It is not a de Polignac number, because 8786725 - 2⁷ = 8786597 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 8 + 7 + 8³ + 6⁷ + 7⁶ + 2²³ + 5 .

8786725 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 175710 + ... + 175759.

Almost surely, 2^8786725 is an apocalyptic number.

It is an amenable number.

8786725 is a deficient number, since it is larger than the sum of its proper divisors (2108845).

8786725 is a wasteful number, since it uses less digits than its factorization.

8786725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351479 (or 351474 counting only the distinct ones).

The product of its digits is 188160, while the sum is 43.

The square root of 8786725 is about 2964.2410495774. The cubic root of 8786725 is about 206.3521563109.

The spelling of 8786725 in words is "eight million, seven hundred eighty-six thousand, seven hundred twenty-five".