8725386631 has 8 divisors (see below), whose sum is σ = 9555834960. Its totient is φ = 7917690432.

The previous prime is 8725386623. The next prime is 8725386641. The reversal of 8725386631 is 1366835278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8725386631 - 2³ = 8725386623 is a prime.

It is a super-2 number, since 2×8725386631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8725386611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5687230 + ... + 5688763.

It is an arithmetic number, because the mean of its divisors is an integer number (1194479370).

Almost surely, 2^8725386631 is an apocalyptic number.

8725386631 is a deficient number, since it is larger than the sum of its proper divisors (830448329).

8725386631 is a wasteful number, since it uses less digits than its factorization.

8725386631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11376065.

The product of its digits is 1451520, while the sum is 49.

The square root of 8725386631 is about 93409.7780267141. The cubic root of 8725386631 is about 2058.7086693521.

The spelling of 8725386631 in words is "eight billion, seven hundred twenty-five million, three hundred eighty-six thousand, six hundred thirty-one".