116117780 has 12 divisors (see below), whose sum is σ = 243847380. Its totient is φ = 46447104.

The previous prime is 116117761. The next prime is 116117819. The reversal of 116117780 is 87711611.

It can be written as a sum of positive squares in 2 ways, for example, as 44782864 + 71334916 = 6692^2 + 8446^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2902925 + ... + 2902964.

It is an arithmetic number, because the mean of its divisors is an integer number (20320615).

Almost surely, 2^116117780 is an apocalyptic number.

116117780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116117780 is an abundant number, since it is smaller than the sum of its proper divisors (127729600).

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

116117780 is a wasteful number, since it uses less digits than its factorization.

116117780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5805898 (or 5805896 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 32.

The square root of 116117780 is about 10775.7960262804. The cubic root of 116117780 is about 487.8649014631.

It can be divided in two parts, 11611 and 7780, that added together give a palindrome (19391).

The spelling of 116117780 in words is "one hundred sixteen million, one hundred seventeen thousand, seven hundred eighty".