116862993 has 30 divisors (see below), whose sum is σ = 189056934. Its totient is φ = 71907264.

The previous prime is 116862989. The next prime is 116863003. The reversal of 116862993 is 399268611.

It is a happy number.

116862993 is a `hidden beast` number, since 1 + 16 + 8 + 629 + 9 + 3 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 5602689 + 111260304 = 2367^2 + 10548^2 .

It is not a de Polignac number, because 116862993 - 2² = 116862989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116862973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 9421 + ... + 17957.

Almost surely, 2^116862993 is an apocalyptic number.

116862993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

116862993 is a deficient number, since it is larger than the sum of its proper divisors (72193941).

116862993 is an equidigital number, since it uses as much as digits as its factorization.

116862993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8575 (or 8553 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 116862993 is about 10810.3188204604. The cubic root of 116862993 is about 488.9063390944.

It can be divided in two parts, 116862 and 993, that added together give a triangular number (117855 = T₄₈₅).

The spelling of 116862993 in words is "one hundred sixteen million, eight hundred sixty-two thousand, nine hundred ninety-three".