10109979 has 12 divisors (see below), whose sum is σ = 15931032. Its totient is φ = 6127200.

The previous prime is 10109969. The next prime is 10109993. The reversal of 10109979 is 97990101.

It is not a de Polignac number, because 10109979 - 2⁴ = 10109963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10109929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50962 + ... + 51159.

It is an arithmetic number, because the mean of its divisors is an integer number (1327586).

Almost surely, 2^10109979 is an apocalyptic number.

10109979 is a deficient number, since it is larger than the sum of its proper divisors (5821053).

10109979 is a wasteful number, since it uses less digits than its factorization.

10109979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102138 (or 102135 counting only the distinct ones).

The product of its (nonzero) digits is 5103, while the sum is 36.

The square root of 10109979 is about 3179.6193168365. The cubic root of 10109979 is about 216.2303997293.

The spelling of 10109979 in words is "ten million, one hundred nine thousand, nine hundred seventy-nine".