84630640194 has 24 divisors (see below), whose sum is σ = 183425261292. Its totient is φ = 28201155840.

The previous prime is 84630640177. The next prime is 84630640217. The reversal of 84630640194 is 49104603648.

84630640194 is a `hidden beast` number, since 8 + 4 + 630 + 6 + 4 + 0 + 1 + 9 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 72865983969 + 11764656225 = 269937^2 + 108465^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 697059 + ... + 809414.

Almost surely, 2^84630640194 is an apocalyptic number.

84630640194 is an abundant number, since it is smaller than the sum of its proper divisors (98794621098).

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

84630640194 is a wasteful number, since it uses less digits than its factorization.

84630640194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509602 (or 1509599 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 84630640194 in words is "eighty-four billion, six hundred thirty million, six hundred forty thousand, one hundred ninety-four".