108347279 has 2 divisors, whose sum is σ = 108347280. Its totient is φ = 108347278.

The previous prime is 108347251. The next prime is 108347293. The reversal of 108347279 is 972743801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108347279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108347209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54173639 + 54173640.

It is an arithmetic number, because the mean of its divisors is an integer number (54173640).

Almost surely, 2^108347279 is an apocalyptic number.

108347279 is a deficient number, since it is larger than the sum of its proper divisors (1).

108347279 is an equidigital number, since it uses as much as digits as its factorization.

108347279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 108347279 is about 10408.9999039293. Note that the first 4 decimals coincide. The cubic root of 108347279 is about 476.7302056127.

The spelling of 108347279 in words is "one hundred eight million, three hundred forty-seven thousand, two hundred seventy-nine".