116780631 has 16 divisors (see below), whose sum is σ = 178803840. Its totient is φ = 67050720.

The previous prime is 116780623. The next prime is 116780663. The reversal of 116780631 is 136087611.

It is not a de Polignac number, because 116780631 - 2³ = 116780623 is a prime.

It is a super-2 number, since 2×116780631² = 27275431553516322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 116780592 and 116780601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116780681) 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, 92500 + ... + 93753.

It is an arithmetic number, because the mean of its divisors is an integer number (11175240).

Almost surely, 2^116780631 is an apocalyptic number.

116780631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

116780631 is a deficient number, since it is larger than the sum of its proper divisors (62023209).

116780631 is a wasteful number, since it uses less digits than its factorization.

116780631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186286.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 116780631 is about 10806.5087331663. The cubic root of 116780631 is about 488.7914559412.

The spelling of 116780631 in words is "one hundred sixteen million, seven hundred eighty thousand, six hundred thirty-one".