13089798977 has 8 divisors (see below), whose sum is σ = 13354026120. Its totient is φ = 12828175360.

The previous prime is 13089798973. The next prime is 13089798979. The reversal of 13089798977 is 77989798031.

It can be written as a sum of positive squares in 4 ways, for example, as 220938496 + 12868860481 = 14864^2 + 113441^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13089798977 - 2² = 13089798973 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13089798971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640724 + ... + 660837.

It is an arithmetic number, because the mean of its divisors is an integer number (1669253265).

Almost surely, 2^13089798977 is an apocalyptic number.

It is an amenable number.

13089798977 is a deficient number, since it is larger than the sum of its proper divisors (264227143).

13089798977 is a wasteful number, since it uses less digits than its factorization.

13089798977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301763.

The product of its (nonzero) digits is 48009024, while the sum is 68.

The spelling of 13089798977 in words is "thirteen billion, eighty-nine million, seven hundred ninety-eight thousand, nine hundred seventy-seven".