129977898174 has 48 divisors (see below), whose sum is σ = 288231495552. Its totient is φ = 42309069264.

The previous prime is 129977898161. The next prime is 129977898191. The reversal of 129977898174 is 471898779921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4088689 + ... + 4120355.

It is an arithmetic number, because the mean of its divisors is an integer number (6004822824).

Almost surely, 2^129977898174 is an apocalyptic number.

129977898174 is an abundant number, since it is smaller than the sum of its proper divisors (158253597378).

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

129977898174 is a wasteful number, since it uses less digits than its factorization.

129977898174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37021 (or 37018 counting only the distinct ones).

The product of its digits is 128024064, while the sum is 72.

The spelling of 129977898174 in words is "one hundred twenty-nine billion, nine hundred seventy-seven million, eight hundred ninety-eight thousand, one hundred seventy-four".