872623838 has 16 divisors (see below), whose sum is σ = 1392511824. Its totient is φ = 408696960.

The previous prime is 872623819. The next prime is 872623859. The reversal of 872623838 is 838326278.

872623838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×872623838² = 1522944725291700488, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 872623792 and 872623801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53645 + ... + 67992.

It is an arithmetic number, because the mean of its divisors is an integer number (87031989).

Almost surely, 2^872623838 is an apocalyptic number.

872623838 is a deficient number, since it is larger than the sum of its proper divisors (519887986).

872623838 is a wasteful number, since it uses less digits than its factorization.

872623838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121867.

The product of its digits is 774144, while the sum is 47.

The square root of 872623838 is about 29540.2071421309. The cubic root of 872623838 is about 955.5990094525.

The spelling of 872623838 in words is "eight hundred seventy-two million, six hundred twenty-three thousand, eight hundred thirty-eight".