116391479 has 4 divisors (see below), whose sum is σ = 117132984. Its totient is φ = 115649976.

The previous prime is 116391449. The next prime is 116391493. The reversal of 116391479 is 974193611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974193611 = 18691 ⋅52121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116391479 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 (116391409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370517 + ... + 370830.

It is an arithmetic number, because the mean of its divisors is an integer number (29283246).

Almost surely, 2^116391479 is an apocalyptic number.

116391479 is a deficient number, since it is larger than the sum of its proper divisors (741505).

116391479 is an equidigital number, since it uses as much as digits as its factorization.

116391479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741504.

The product of its digits is 40824, while the sum is 41.

The square root of 116391479 is about 10788.4882629588. The cubic root of 116391479 is about 488.2479130359.

The spelling of 116391479 in words is "one hundred sixteen million, three hundred ninety-one thousand, four hundred seventy-nine".