84247375492 has 24 divisors (see below), whose sum is σ = 168501332160. Its totient is φ = 36104607840.

The previous prime is 84247375469. The next prime is 84247375523. The reversal of 84247375492 is 29457374248.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015434 + ... + 1095262.

It is an arithmetic number, because the mean of its divisors is an integer number (7020888840).

Almost surely, 2^84247375492 is an apocalyptic number.

It is an amenable number.

84247375492 is an abundant number, since it is smaller than the sum of its proper divisors (84253956668).

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

84247375492 is a wasteful number, since it uses less digits than its factorization.

84247375492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117531 (or 117529 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 55.

The spelling of 84247375492 in words is "eighty-four billion, two hundred forty-seven million, three hundred seventy-five thousand, four hundred ninety-two".