17979107355 has 64 divisors (see below), whose sum is σ = 35993456640. Its totient is φ = 8435923200.

The previous prime is 17979107339. The next prime is 17979107369. The reversal of 17979107355 is 55370197971.

It is not a de Polignac number, because 17979107355 - 2⁴ = 17979107339 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 149242 + ... + 241311.

It is an arithmetic number, because the mean of its divisors is an integer number (562397760).

Almost surely, 2^17979107355 is an apocalyptic number.

17979107355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

17979107355 is an abundant number, since it is smaller than the sum of its proper divisors (18014349285).

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

17979107355 is a wasteful number, since it uses less digits than its factorization.

17979107355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390609 (or 390603 counting only the distinct ones).

The product of its (nonzero) digits is 2083725, while the sum is 54.

The spelling of 17979107355 in words is "seventeen billion, nine hundred seventy-nine million, one hundred seven thousand, three hundred fifty-five".