872143648 has 12 divisors (see below), whose sum is σ = 1717032870. Its totient is φ = 436071808.

The previous prime is 872143631. The next prime is 872143661. The reversal of 872143648 is 846341278.

It can be written as a sum of positive squares in only one way, i.e., 872139024 + 4624 = 29532^2 + 68^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13627213 + ... + 13627276.

Almost surely, 2^872143648 is an apocalyptic number.

It is an amenable number.

872143648 is a deficient number, since it is larger than the sum of its proper divisors (844889222).

872143648 is a wasteful number, since it uses less digits than its factorization.

872143648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27254499 (or 27254491 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 872143648 is about 29532.0782878551. The cubic root of 872143648 is about 955.4236940175.

The spelling of 872143648 in words is "eight hundred seventy-two million, one hundred forty-three thousand, six hundred forty-eight".