872633810 has 8 divisors (see below), whose sum is σ = 1570740876. Its totient is φ = 349053520.

The previous prime is 872633779. The next prime is 872633831. The reversal of 872633810 is 18336278.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 855153049 + 17480761 = 29243^2 + 4181^2 .

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

It is a super-2 number, since 2×872633810² = 1522979532710232200, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 43631681 + ... + 43631700.

Almost surely, 2^872633810 is an apocalyptic number.

872633810 is a deficient number, since it is larger than the sum of its proper divisors (698107066).

872633810 is a wasteful number, since it uses less digits than its factorization.

872633810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87263388.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 872633810 is about 29540.3759285490. The cubic root of 872633810 is about 955.6026495078.

The spelling of 872633810 in words is "eight hundred seventy-two million, six hundred thirty-three thousand, eight hundred ten".