84261004956 has 36 divisors (see below), whose sum is σ = 213074971200. Its totient is φ = 28076204928.

The previous prime is 84261004937. The next prime is 84261004969. The reversal of 84261004956 is 65940016248.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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, 354636 + ... + 542483.

It is an arithmetic number, because the mean of its divisors is an integer number (5918749200).

Almost surely, 2^84261004956 is an apocalyptic number.

It is an amenable number.

84261004956 is an abundant number, since it is smaller than the sum of its proper divisors (128813966244).

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

84261004956 is a wasteful number, since it uses less digits than its factorization.

84261004956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899738 (or 899733 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 84261004956 in words is "eighty-four billion, two hundred sixty-one million, four thousand, nine hundred fifty-six".