113477891 has 4 divisors (see below), whose sum is σ = 114914400. Its totient is φ = 112041384.

The previous prime is 113477879. The next prime is 113477893. The reversal of 113477891 is 198774311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 198774311 = 373 ⋅532907.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113477891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113477893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718136 + ... + 718293.

It is an arithmetic number, because the mean of its divisors is an integer number (28728600).

Almost surely, 2^113477891 is an apocalyptic number.

113477891 is a deficient number, since it is larger than the sum of its proper divisors (1436509).

113477891 is an equidigital number, since it uses as much as digits as its factorization.

113477891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436508.

The product of its digits is 42336, while the sum is 41.

The square root of 113477891 is about 10652.6001990124. The cubic root of 113477891 is about 484.1393899346.

The spelling of 113477891 in words is "one hundred thirteen million, four hundred seventy-seven thousand, eight hundred ninety-one".