872900618 has 4 divisors (see below), whose sum is σ = 1309350930. Its totient is φ = 436450308.

The previous prime is 872900563. The next prime is 872900621. The reversal of 872900618 is 816009278.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 546484129 + 326416489 = 23377^2 + 18067^2 .

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, 218225153 + ... + 218225156.

Almost surely, 2^872900618 is an apocalyptic number.

872900618 is a deficient number, since it is larger than the sum of its proper divisors (436450312).

872900618 is a wasteful number, since it uses less digits than its factorization.

872900618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436450311.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 872900618 is about 29544.8915719791. The cubic root of 872900618 is about 955.7000314979.

The spelling of 872900618 in words is "eight hundred seventy-two million, nine hundred thousand, six hundred eighteen".