84158055198 has 24 divisors (see below), whose sum is σ = 208391375088. Its totient is φ = 24045158592.

The previous prime is 84158055197. The next prime is 84158055199. The reversal of 84158055198 is 89155085148.

84158055198 is a `hidden beast` number, since 8 + 4 + 1 + 5 + 80 + 551 + 9 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (84158055197) and next prime (84158055199).

It is a super-2 number, since 2×84158055198² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84158055197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333960411 + ... + 333960662.

It is an arithmetic number, because the mean of its divisors is an integer number (8682973962).

Almost surely, 2^84158055198 is an apocalyptic number.

84158055198 is an abundant number, since it is smaller than the sum of its proper divisors (124233319890).

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

84158055198 is a wasteful number, since it uses less digits than its factorization.

84158055198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667921088 (or 667921085 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 54.

The spelling of 84158055198 in words is "eighty-four billion, one hundred fifty-eight million, fifty-five thousand, one hundred ninety-eight".