116047991 has 8 divisors (see below), whose sum is σ = 122430000. Its totient is φ = 109693440.

The previous prime is 116047951. The next prime is 116047993. The reversal of 116047991 is 199740611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116047991 - 2¹⁴ = 116031607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116047993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2135 + ... + 15383.

It is an arithmetic number, because the mean of its divisors is an integer number (15303750).

Almost surely, 2^116047991 is an apocalyptic number.

116047991 is a deficient number, since it is larger than the sum of its proper divisors (6382009).

116047991 is a wasteful number, since it uses less digits than its factorization.

116047991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13729.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 116047991 is about 10772.5573101284. The cubic root of 116047991 is about 487.7671431727.

The spelling of 116047991 in words is "one hundred sixteen million, forty-seven thousand, nine hundred ninety-one".