872861612304 has 80 divisors (see below), whose sum is σ = 2469683430144. Its totient is φ = 263449680000.

The previous prime is 872861612303. The next prime is 872861612317. The reversal of 872861612304 is 403216168278.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (872861612303) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3160594 + ... + 3425649.

Almost surely, 2^872861612304 is an apocalyptic number.

It is an amenable number.

872861612304 is an abundant number, since it is smaller than the sum of its proper divisors (1596821817840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

872861612304 is a wasteful number, since it uses less digits than its factorization.

872861612304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6586516 (or 6586510 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 872861612304 in words is "eight hundred seventy-two billion, eight hundred sixty-one million, six hundred twelve thousand, three hundred four".