84717138424 has 16 divisors (see below), whose sum is σ = 159987403800. Its totient is φ = 42053830752.

The previous prime is 84717138397. The next prime is 84717138463. The reversal of 84717138424 is 42483171748.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38091127 + ... + 38093350.

Almost surely, 2^84717138424 is an apocalyptic number.

It is an amenable number.

84717138424 is a deficient number, since it is larger than the sum of its proper divisors (75270265376).

84717138424 is a wasteful number, since it uses less digits than its factorization.

84717138424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76184622 (or 76184618 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 49.

The spelling of 84717138424 in words is "eighty-four billion, seven hundred seventeen million, one hundred thirty-eight thousand, four hundred twenty-four".