129098077484 has 24 divisors (see below), whose sum is σ = 226423124928. Its totient is φ = 64405864080.

The previous prime is 129098077463. The next prime is 129098077541. The reversal of 129098077484 is 484770890921.

It is a super-2 number, since 2×129098077484² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5348507 + ... + 5372589.

It is an arithmetic number, because the mean of its divisors is an integer number (9434296872).

Almost surely, 2^129098077484 is an apocalyptic number.

It is an amenable number.

129098077484 is a deficient number, since it is larger than the sum of its proper divisors (97325047444).

129098077484 is a wasteful number, since it uses less digits than its factorization.

129098077484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27005 (or 27003 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 59.

The spelling of 129098077484 in words is "one hundred twenty-nine billion, ninety-eight million, seventy-seven thousand, four hundred eighty-four".