116278992 has 30 divisors (see below), whose sum is σ = 325420082. Its totient is φ = 38759616.

The previous prime is 116278991. The next prime is 116279003. The reversal of 116278992 is 299872611.

116278992 is a `hidden beast` number, since 11 + 627 + 8 + 9 + 9 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 116122176 + 156816 = 10776^2 + 396^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116278991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 403603 + ... + 403890.

Almost surely, 2^116278992 is an apocalyptic number.

116278992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

116278992 is an abundant number, since it is smaller than the sum of its proper divisors (209141090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116278992 is a wasteful number, since it uses less digits than its factorization.

116278992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807507 (or 807498 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 116278992 is about 10783.2737144153. The cubic root of 116278992 is about 488.0905726360.

The spelling of 116278992 in words is "one hundred sixteen million, two hundred seventy-eight thousand, nine hundred ninety-two".