84862640080 has 40 divisors (see below), whose sum is σ = 198629865000. Its totient is φ = 33717232128.

The previous prime is 84862640053. The next prime is 84862640113. The reversal of 84862640080 is 8004626848.

It can be written as a sum of positive squares in 4 ways, for example, as 1893294144 + 82969345936 = 43512^2 + 288044^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 84862640080.

It is a congruent number.

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, 3547755 + ... + 3571594.

It is an arithmetic number, because the mean of its divisors is an integer number (4965746625).

Almost surely, 2^84862640080 is an apocalyptic number.

84862640080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84862640080 is an abundant number, since it is smaller than the sum of its proper divisors (113767224920).

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

84862640080 is a wasteful number, since it uses less digits than its factorization.

84862640080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7119511 (or 7119505 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 46.

The spelling of 84862640080 in words is "eighty-four billion, eight hundred sixty-two million, six hundred forty thousand, eighty".