872379658 has 8 divisors (see below), whose sum is σ = 1311257952. Its totient is φ = 435293676.

The previous prime is 872379617. The next prime is 872379671. The reversal of 872379658 is 856973278.

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

It is a super-2 number, since 2×872379658² = 1522092535384393928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 872379599 and 872379608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446860 + ... + 448807.

It is an arithmetic number, because the mean of its divisors is an integer number (163907244).

Almost surely, 2^872379658 is an apocalyptic number.

872379658 is a deficient number, since it is larger than the sum of its proper divisors (438878294).

872379658 is a wasteful number, since it uses less digits than its factorization.

872379658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896156.

The product of its digits is 5080320, while the sum is 55.

The square root of 872379658 is about 29536.0738419987. The cubic root of 872379658 is about 955.5098683573.

The spelling of 872379658 in words is "eight hundred seventy-two million, three hundred seventy-nine thousand, six hundred fifty-eight".