84689815302 has 64 divisors (see below), whose sum is σ = 189517363200. Its totient is φ = 28032946560.

The previous prime is 84689815271. The next prime is 84689815313. The reversal of 84689815302 is 20351898648.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4662963 + ... + 4681089.

It is an arithmetic number, because the mean of its divisors is an integer number (2961208800).

Almost surely, 2^84689815302 is an apocalyptic number.

84689815302 is an abundant number, since it is smaller than the sum of its proper divisors (104827547898).

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

84689815302 is a wasteful number, since it uses less digits than its factorization.

84689815302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18738 (or 18732 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 84689815302 in words is "eighty-four billion, six hundred eighty-nine million, eight hundred fifteen thousand, three hundred two".