129884826564 has 48 divisors (see below), whose sum is σ = 337254301440. Its totient is φ = 43228617120.

The previous prime is 129884826563. The next prime is 129884826571. The reversal of 129884826564 is 465628488921.

129884826564 is a `hidden beast` number, since 1 + 2 + 9 + 8 + 8 + 48 + 26 + 564 = 666.

It is not an unprimeable number, because it can be changed into a prime (129884826563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 850332 + ... + 991379.

It is an arithmetic number, because the mean of its divisors is an integer number (7026131280).

Almost surely, 2^129884826564 is an apocalyptic number.

It is an amenable number.

129884826564 is an abundant number, since it is smaller than the sum of its proper divisors (207369474876).

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

129884826564 is a wasteful number, since it uses less digits than its factorization.

129884826564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842377 (or 1842369 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 63.

The spelling of 129884826564 in words is "one hundred twenty-nine billion, eight hundred eighty-four million, eight hundred twenty-six thousand, five hundred sixty-four".