872549395708 has 24 divisors (see below), whose sum is σ = 1527820479360. Its totient is φ = 436029342000.

The previous prime is 872549395693. The next prime is 872549395709. The reversal of 872549395708 is 807593945278.

It is a super-2 number, since 2×872549395708² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872549395709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71216583 + ... + 71228833.

It is an arithmetic number, because the mean of its divisors is an integer number (63659186640).

Almost surely, 2^872549395708 is an apocalyptic number.

It is an amenable number.

872549395708 is a deficient number, since it is larger than the sum of its proper divisors (655271083652).

872549395708 is a wasteful number, since it uses less digits than its factorization.

872549395708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20817 (or 20815 counting only the distinct ones).

The product of its (nonzero) digits is 152409600, while the sum is 67.

The spelling of 872549395708 in words is "eight hundred seventy-two billion, five hundred forty-nine million, three hundred ninety-five thousand, seven hundred eight".