872228616 has 48 divisors (see below), whose sum is σ = 2536586640. Its totient is φ = 249207840.

The previous prime is 872228593. The next prime is 872228633. The reversal of 872228616 is 616822278.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 369670 + ... + 372021.

It is an arithmetic number, because the mean of its divisors is an integer number (52845555).

Almost surely, 2^872228616 is an apocalyptic number.

It is an amenable number.

872228616 is an abundant number, since it is smaller than the sum of its proper divisors (1664358024).

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

872228616 is a wasteful number, since it uses less digits than its factorization.

872228616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741714 (or 741703 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 872228616 is about 29533.5168241102. The cubic root of 872228616 is about 955.4547201771.

The spelling of 872228616 in words is "eight hundred seventy-two million, two hundred twenty-eight thousand, six hundred sixteen".