108154979 has 2 divisors, whose sum is σ = 108154980. Its totient is φ = 108154978.

The previous prime is 108154967. The next prime is 108154999. The reversal of 108154979 is 979451801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108154979 - 2²⁴ = 91377763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (108154919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54077489 + 54077490.

It is an arithmetic number, because the mean of its divisors is an integer number (54077490).

Almost surely, 2^108154979 is an apocalyptic number.

108154979 is a deficient number, since it is larger than the sum of its proper divisors (1).

108154979 is an equidigital number, since it uses as much as digits as its factorization.

108154979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 108154979 is about 10399.7586029677. The cubic root of 108154979 is about 476.4479972993.

The spelling of 108154979 in words is "one hundred eight million, one hundred fifty-four thousand, nine hundred seventy-nine".