109876397 has 2 divisors, whose sum is σ = 109876398. Its totient is φ = 109876396.

The previous prime is 109876391. The next prime is 109876427. The reversal of 109876397 is 793678901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94984516 + 14891881 = 9746^2 + 3859^2 .

It is a cyclic number.

It is not a de Polignac number, because 109876397 - 2⁸ = 109876141 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109876391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54938198 + 54938199.

It is an arithmetic number, because the mean of its divisors is an integer number (54938199).

Almost surely, 2^109876397 is an apocalyptic number.

It is an amenable number.

109876397 is a deficient number, since it is larger than the sum of its proper divisors (1).

109876397 is an equidigital number, since it uses as much as digits as its factorization.

109876397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 50.

The square root of 109876397 is about 10482.1942836412. The cubic root of 109876397 is about 478.9624536363.

The spelling of 109876397 in words is "one hundred nine million, eight hundred seventy-six thousand, three hundred ninety-seven".