872379398 has 8 divisors (see below), whose sum is σ = 1427529960. Its totient is φ = 396536080.

The previous prime is 872379379. The next prime is 872379437. The reversal of 872379398 is 893973278.

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

It is a super-2 number, since 2×872379398² = 1522091628109684808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19826783 + ... + 19826826.

It is an arithmetic number, because the mean of its divisors is an integer number (178441245).

Almost surely, 2^872379398 is an apocalyptic number.

872379398 is a deficient number, since it is larger than the sum of its proper divisors (555150562).

872379398 is a wasteful number, since it uses less digits than its factorization.

872379398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39653622.

The product of its digits is 4572288, while the sum is 56.

The square root of 872379398 is about 29536.0694406009. The cubic root of 872379398 is about 955.5097734320.

The spelling of 872379398 in words is "eight hundred seventy-two million, three hundred seventy-nine thousand, three hundred ninety-eight".