116578761 has 16 divisors (see below), whose sum is σ = 168720384. Its totient is φ = 71172864.

The previous prime is 116578711. The next prime is 116578783. The reversal of 116578761 is 167875611.

It is a happy number.

It is not a de Polignac number, because 116578761 - 2⁹ = 116578249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (116578711) 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, 6816 + ... + 16721.

It is an arithmetic number, because the mean of its divisors is an integer number (10545024).

Almost surely, 2^116578761 is an apocalyptic number.

It is an amenable number.

116578761 is a deficient number, since it is larger than the sum of its proper divisors (52141623).

116578761 is a wasteful number, since it uses less digits than its factorization.

116578761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23680.

The product of its digits is 70560, while the sum is 42.

The square root of 116578761 is about 10797.1644888832. The cubic root of 116578761 is about 488.5096476742.

The spelling of 116578761 in words is "one hundred sixteen million, five hundred seventy-eight thousand, seven hundred sixty-one".