84877097472 has 120 divisors (see below), whose sum is σ = 245242071360. Its totient is φ = 28259911680.

The previous prime is 84877097453. The next prime is 84877097537. The reversal of 84877097472 is 27479077848.

84877097472 is a `hidden beast` number, since 8 + 4 + 8 + 7 + 70 + 97 + 472 = 666.

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, 4187779 + ... + 4207997.

It is an arithmetic number, because the mean of its divisors is an integer number (2043683928).

Almost surely, 2^84877097472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84877097472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122621035680).

84877097472 is an abundant number, since it is smaller than the sum of its proper divisors (160364973888).

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

84877097472 is a wasteful number, since it uses less digits than its factorization.

84877097472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21154 (or 21135 counting only the distinct ones).

The product of its (nonzero) digits is 44255232, while the sum is 63.

The spelling of 84877097472 in words is "eighty-four billion, eight hundred seventy-seven million, ninety-seven thousand, four hundred seventy-two".