872150858 has 4 divisors (see below), whose sum is σ = 1308226290. Its totient is φ = 436075428.

The previous prime is 872150827. The next prime is 872150861. The reversal of 872150858 is 858051278.

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., 558046129 + 314104729 = 23623^2 + 17723^2 .

It is a super-2 number, since 2×872150858² = 1521294238220272328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218037713 + ... + 218037716.

Almost surely, 2^872150858 is an apocalyptic number.

872150858 is a deficient number, since it is larger than the sum of its proper divisors (436075432).

872150858 is a wasteful number, since it uses less digits than its factorization.

872150858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436075431.

The product of its (nonzero) digits is 179200, while the sum is 44.

The square root of 872150858 is about 29532.2003582530. The cubic root of 872150858 is about 955.4263268352.

The spelling of 872150858 in words is "eight hundred seventy-two million, one hundred fifty thousand, eight hundred fifty-eight".