107691965 has 4 divisors (see below), whose sum is σ = 129230364. Its totient is φ = 86153568.

The previous prime is 107691937. The next prime is 107691967. The reversal of 107691965 is 569196701.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69672409 + 38019556 = 8347^2 + 6166^2 .

It is a cyclic number.

It is not a de Polignac number, because 107691965 - 2⁸ = 107691709 is a prime.

It is a super-2 number, since 2×107691965² = 23195118651122450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107691967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10769192 + ... + 10769201.

It is an arithmetic number, because the mean of its divisors is an integer number (32307591).

Almost surely, 2^107691965 is an apocalyptic number.

It is an amenable number.

107691965 is a deficient number, since it is larger than the sum of its proper divisors (21538399).

107691965 is an equidigital number, since it uses as much as digits as its factorization.

107691965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21538398.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 107691965 is about 10377.4739219138. The cubic root of 107691965 is about 475.7671297552.

The spelling of 107691965 in words is "one hundred seven million, six hundred ninety-one thousand, nine hundred sixty-five".