117984491586 has 48 divisors (see below), whose sum is σ = 275579459064. Its totient is φ = 36265692672.

The previous prime is 117984491579. The next prime is 117984491609. The reversal of 117984491586 is 685194489711.

117984491586 is a `hidden beast` number, since 1 + 1 + 7 + 9 + 8 + 4 + 49 + 1 + 586 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 104834135961 + 13150355625 = 323781^2 + 114675^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29421 + ... + 486656.

Almost surely, 2^117984491586 is an apocalyptic number.

117984491586 is an abundant number, since it is smaller than the sum of its proper divisors (157594967478).

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

117984491586 is a wasteful number, since it uses less digits than its factorization.

117984491586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517075 (or 517072 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 63.

The spelling of 117984491586 in words is "one hundred seventeen billion, nine hundred eighty-four million, four hundred ninety-one thousand, five hundred eighty-six".