108907969 has 2 divisors, whose sum is σ = 108907970. Its totient is φ = 108907968.

The previous prime is 108907957. The next prime is 108907979. The reversal of 108907969 is 969709801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98247744 + 10660225 = 9912^2 + 3265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108907969 is a prime.

It is a super-2 number, since 2×108907969² = 23721891423409922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (108907919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54453984 + 54453985.

It is an arithmetic number, because the mean of its divisors is an integer number (54453985).

Almost surely, 2^108907969 is an apocalyptic number.

It is an amenable number.

108907969 is a deficient number, since it is larger than the sum of its proper divisors (1).

108907969 is an equidigital number, since it uses as much as digits as its factorization.

108907969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 49.

The square root of 108907969 is about 10435.8980926416. The cubic root of 108907969 is about 477.5511402332.

The spelling of 108907969 in words is "one hundred eight million, nine hundred seven thousand, nine hundred sixty-nine".