109298775879 has 12 divisors (see below), whose sum is σ = 158881591336. Its totient is φ = 72401735952.

The previous prime is 109298775851. The next prime is 109298775881. The reversal of 109298775879 is 978577892901.

109298775879 is a `hidden beast` number, since 10 + 9 + 29 + 8 + 7 + 7 + 587 + 9 = 666.

It is not a de Polignac number, because 109298775879 - 2⁸ = 109298775623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109298775829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38674729 + ... + 38677554.

Almost surely, 2^109298775879 is an apocalyptic number.

109298775879 is a deficient number, since it is larger than the sum of its proper divisors (49582815457).

109298775879 is a wasteful number, since it uses less digits than its factorization.

109298775879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77352446 (or 77352443 counting only the distinct ones).

The product of its (nonzero) digits is 160030080, while the sum is 72.

The spelling of 109298775879 in words is "one hundred nine billion, two hundred ninety-eight million, seven hundred seventy-five thousand, eight hundred seventy-nine".