872456266047616 has 64 divisors (see below), whose sum is σ = 1785832646546880. Its totient is φ = 424257335221248.

The previous prime is 872456266047607. The next prime is 872456266047617. The reversal of 872456266047616 is 616740662654278.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×872456266047616² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (872456266047617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28130020 + ... + 50360803.

It is an arithmetic number, because the mean of its divisors is an integer number (27903635102295).

Almost surely, 2^{872456266047616} is an apocalyptic number.

It is an amenable number.

872456266047616 is an abundant number, since it is smaller than the sum of its proper divisors (913376380499264).

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

872456266047616 is a wasteful number, since it uses less digits than its factorization.

872456266047616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78493221 (or 78493209 counting only the distinct ones).

The product of its (nonzero) digits is 975421440, while the sum is 70.

The spelling of 872456266047616 in words is "eight hundred seventy-two trillion, four hundred fifty-six billion, two hundred sixty-six million, forty-seven thousand, six hundred sixteen".