84658407420 has 48 divisors (see below), whose sum is σ = 237143497248. Its totient is φ = 22566055680.

The previous prime is 84658407401. The next prime is 84658407497. The reversal of 84658407420 is 2470485648.

It is a super-2 number, since 2×84658407420² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84658407420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153439 + ... + 439158.

It is an arithmetic number, because the mean of its divisors is an integer number (4940489526).

Almost surely, 2^84658407420 is an apocalyptic number.

It is an amenable number.

84658407420 is an abundant number, since it is smaller than the sum of its proper divisors (152485089828).

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

84658407420 is a wasteful number, since it uses less digits than its factorization.

84658407420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594990 (or 594988 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 48.

The spelling of 84658407420 in words is "eighty-four billion, six hundred fifty-eight million, four hundred seven thousand, four hundred twenty".