84791520000 has 1080 divisors, whose sum is σ = 342918143568. Its totient is φ = 19968000000.

The previous prime is 84791519987. The next prime is 84791520083. The reversal of 84791520000 is 2519748.

84791520000 is a `hidden beast` number, since 8 + 47 + 91 + 520 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 839519950 + ... + 839520050.

Almost surely, 2^84791520000 is an apocalyptic number.

84791520000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84791520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171459071784).

84791520000 is an abundant number, since it is smaller than the sum of its proper divisors (258126623568).

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

84791520000 is a wasteful number, since it uses less digits than its factorization.

84791520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 84791520000 in words is "eighty-four billion, seven hundred ninety-one million, five hundred twenty thousand".