113672891 has 2 divisors, whose sum is σ = 113672892. Its totient is φ = 113672890.

The previous prime is 113672879. The next prime is 113672921. The reversal of 113672891 is 198276311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113672891 - 2⁶ = 113672827 is a prime.

It is a super-2 number, since 2×113672891² = 25843052296595762, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113672821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56836445 + 56836446.

It is an arithmetic number, because the mean of its divisors is an integer number (56836446).

Almost surely, 2^113672891 is an apocalyptic number.

113672891 is a deficient number, since it is larger than the sum of its proper divisors (1).

113672891 is an equidigital number, since it uses as much as digits as its factorization.

113672891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 38.

The square root of 113672891 is about 10661.7489653434. The cubic root of 113672891 is about 484.4165457032.

The spelling of 113672891 in words is "one hundred thirteen million, six hundred seventy-two thousand, eight hundred ninety-one".