116651977 has 16 divisors (see below), whose sum is σ = 137313792. Its totient is φ = 98069760.

The previous prime is 116651959. The next prime is 116651981. The reversal of 116651977 is 779156611.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116651977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116651957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1663 + ... + 15364.

It is an arithmetic number, because the mean of its divisors is an integer number (8582112).

Almost surely, 2^116651977 is an apocalyptic number.

116651977 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

116651977 is a deficient number, since it is larger than the sum of its proper divisors (20661815).

116651977 is a wasteful number, since it uses less digits than its factorization.

116651977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17088.

The product of its digits is 79380, while the sum is 43.

The square root of 116651977 is about 10800.5544765072. The cubic root of 116651977 is about 488.6118939640.

The spelling of 116651977 in words is "one hundred sixteen million, six hundred fifty-one thousand, nine hundred seventy-seven".