116747891 has 16 divisors (see below), whose sum is σ = 137426688. Its totient is φ = 98150400.

The previous prime is 116747887. The next prime is 116747899. The reversal of 116747891 is 198747611.

It is a cyclic number.

It is not a de Polignac number, because 116747891 - 2² = 116747887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116747899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1670 + ... + 15371.

It is an arithmetic number, because the mean of its divisors is an integer number (8589168).

Almost surely, 2^116747891 is an apocalyptic number.

116747891 is a deficient number, since it is larger than the sum of its proper divisors (20678797).

116747891 is a wasteful number, since it uses less digits than its factorization.

116747891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17102.

The product of its digits is 84672, while the sum is 44.

The square root of 116747891 is about 10804.9937991653. The cubic root of 116747891 is about 488.7457733427.

The spelling of 116747891 in words is "one hundred sixteen million, seven hundred forty-seven thousand, eight hundred ninety-one".