116078731 has 4 divisors (see below), whose sum is σ = 119216032. Its totient is φ = 112941432.

The previous prime is 116078713. The next prime is 116078741. The reversal of 116078731 is 137870611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 137870611 = 29 ⋅4754159.

It is a cyclic number.

It is not a de Polignac number, because 116078731 - 2⁷ = 116078603 is a prime.

It is a super-2 number, since 2×116078731² = 26948543581140722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116078741) 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, 1568595 + ... + 1568668.

It is an arithmetic number, because the mean of its divisors is an integer number (29804008).

Almost surely, 2^116078731 is an apocalyptic number.

116078731 is a deficient number, since it is larger than the sum of its proper divisors (3137301).

116078731 is an equidigital number, since it uses as much as digits as its factorization.

116078731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137300.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 116078731 is about 10773.9839892214. The cubic root of 116078731 is about 487.8102076501.

The spelling of 116078731 in words is "one hundred sixteen million, seventy-eight thousand, seven hundred thirty-one".