109772357 has 4 divisors (see below), whose sum is σ = 109936140. Its totient is φ = 109608576.

The previous prime is 109772339. The next prime is 109772393. The reversal of 109772357 is 753277901.

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 54626881 + 55145476 = 7391^2 + 7426^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109772357 is a prime.

It is a super-2 number, since 2×109772357² = 24099940722670898, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109771357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80882 + ... + 82227.

It is an arithmetic number, because the mean of its divisors is an integer number (27484035).

Almost surely, 2^109772357 is an apocalyptic number.

It is an amenable number.

109772357 is a deficient number, since it is larger than the sum of its proper divisors (163783).

109772357 is an equidigital number, since it uses as much as digits as its factorization.

109772357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163782.

The product of its (nonzero) digits is 92610, while the sum is 41.

The square root of 109772357 is about 10477.2304069348. The cubic root of 109772357 is about 478.8112322292.

The spelling of 109772357 in words is "one hundred nine million, seven hundred seventy-two thousand, three hundred fifty-seven".