109793557 has 2 divisors, whose sum is σ = 109793558. Its totient is φ = 109793556.

The previous prime is 109793549. The next prime is 109793591. The reversal of 109793557 is 755397901.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108972721 + 820836 = 10439^2 + 906^2 .

It is a cyclic number.

It is not a de Polignac number, because 109793557 - 2³ = 109793549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109793527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54896778 + 54896779.

It is an arithmetic number, because the mean of its divisors is an integer number (54896779).

Almost surely, 2^109793557 is an apocalyptic number.

It is an amenable number.

109793557 is a deficient number, since it is larger than the sum of its proper divisors (1).

109793557 is an equidigital number, since it uses as much as digits as its factorization.

109793557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 297675, while the sum is 46.

The square root of 109793557 is about 10478.2420758446. The cubic root of 109793557 is about 478.8420540287.

The spelling of 109793557 in words is "one hundred nine million, seven hundred ninety-three thousand, five hundred fifty-seven".