872460916 has 6 divisors (see below), whose sum is σ = 1526806610. Its totient is φ = 436230456.

The previous prime is 872460877. The next prime is 872460929. The reversal of 872460916 is 619064278.

It can be written as a sum of positive squares in only one way, i.e., 821395600 + 51065316 = 28660^2 + 7146^2 .

It is a super-2 number, since 2×872460916² = 1522376099895118112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109057611 + ... + 109057618.

Almost surely, 2^872460916 is an apocalyptic number.

It is an amenable number.

872460916 is a deficient number, since it is larger than the sum of its proper divisors (654345694).

872460916 is a wasteful number, since it uses less digits than its factorization.

872460916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218115233 (or 218115231 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 872460916 is about 29537.4493820980. The cubic root of 872460916 is about 955.5395344969.

The spelling of 872460916 in words is "eight hundred seventy-two million, four hundred sixty thousand, nine hundred sixteen".