872905508 has 6 divisors (see below), whose sum is σ = 1527584646. Its totient is φ = 436452752.

The previous prime is 872905507. The next prime is 872905513. The reversal of 872905508 is 805509278.

It can be written as a sum of positive squares in only one way, i.e., 869188324 + 3717184 = 29482^2 + 1928^2 .

It is not an unprimeable number, because it can be changed into a prime (872905507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109113185 + ... + 109113192.

It is an arithmetic number, because the mean of its divisors is an integer number (254597441).

Almost surely, 2^872905508 is an apocalyptic number.

It is an amenable number.

872905508 is a deficient number, since it is larger than the sum of its proper divisors (654679138).

872905508 is a wasteful number, since it uses less digits than its factorization.

872905508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218226381 (or 218226379 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 872905508 is about 29544.9743272862. The cubic root of 872905508 is about 955.7018161090.

The spelling of 872905508 in words is "eight hundred seventy-two million, nine hundred five thousand, five hundred eight".