84055740098 has 18 divisors (see below), whose sum is σ = 138595206393. Its totient is φ = 38205104520.

The previous prime is 84055740077. The next prime is 84055740107. The reversal of 84055740098 is 89004755048.

It can be written as a sum of positive squares in 2 ways, for example, as 46374330409 + 37681409689 = 215347^2 + 194117^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=205007.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4500836 + ... + 4519472.

Almost surely, 2^84055740098 is an apocalyptic number.

84055740098 is a deficient number, since it is larger than the sum of its proper divisors (54539466295).

84055740098 is an frugal number, since it uses more digits than its factorization.

84055740098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37298 (or 18650 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 50.

Multiplying 84055740098 by its sum of digits (50), we get a square (4202787004900 = 2050070²).

The spelling of 84055740098 in words is "eighty-four billion, fifty-five million, seven hundred forty thousand, ninety-eight".