872342631 has 24 divisors (see below), whose sum is σ = 1276853760. Its totient is φ = 573843456.

The previous prime is 872342621. The next prime is 872342657. The reversal of 872342631 is 136243278.

It is a happy number.

It is not a de Polignac number, because 872342631 - 2²⁷ = 738124903 is a prime.

It is a super-2 number, since 2×872342631² = 1521963331720004322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872342621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 333055 + ... + 335663.

It is an arithmetic number, because the mean of its divisors is an integer number (53202240).

Almost surely, 2^872342631 is an apocalyptic number.

872342631 is a deficient number, since it is larger than the sum of its proper divisors (404511129).

872342631 is a wasteful number, since it uses less digits than its factorization.

872342631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095 (or 3092 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 872342631 is about 29535.4470255657. The cubic root of 872342631 is about 955.4963497154.

The spelling of 872342631 in words is "eight hundred seventy-two million, three hundred forty-two thousand, six hundred thirty-one".