84956855865960 has 128 divisors (see below), whose sum is σ = 275445877150080. Its totient is φ = 20838561113088.

The previous prime is 84956855865929. The next prime is 84956855865961. The reversal of 84956855865960 is 6956855865948.

It is a super-2 number, since 2×84956855865960² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84956855865961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95776759 + ... + 96659718.

It is an arithmetic number, because the mean of its divisors is an integer number (2151920915235).

Almost surely, 2^{84956855865960} is an apocalyptic number.

It is an amenable number.

84956855865960 is an abundant number, since it is smaller than the sum of its proper divisors (190489021284120).

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

84956855865960 is a wasteful number, since it uses less digits than its factorization.

84956855865960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192436787 (or 192436783 counting only the distinct ones).

The product of its (nonzero) digits is 22394880000, while the sum is 84.

The spelling of 84956855865960 in words is "eighty-four trillion, nine hundred fifty-six billion, eight hundred fifty-five million, eight hundred sixty-five thousand, nine hundred sixty".