872678655 has 24 divisors (see below), whose sum is σ = 1541187648. Its totient is φ = 456645696.

The previous prime is 872678641. The next prime is 872678659. The reversal of 872678655 is 556876278.

It is not a de Polignac number, because 872678655 - 2⁵ = 872678623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872678659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180567 + ... + 185336.

It is an arithmetic number, because the mean of its divisors is an integer number (64216152).

Almost surely, 2^872678655 is an apocalyptic number.

872678655 is a deficient number, since it is larger than the sum of its proper divisors (668508993).

872678655 is a wasteful number, since it uses less digits than its factorization.

872678655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365967 (or 365964 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 54.

The square root of 872678655 is about 29541.1349646556. The cubic root of 872678655 is about 955.6190188280.

The spelling of 872678655 in words is "eight hundred seventy-two million, six hundred seventy-eight thousand, six hundred fifty-five".