116542780 has 24 divisors (see below), whose sum is σ = 245765520. Its totient is φ = 46421760.

The previous prime is 116542763. The next prime is 116542799. The reversal of 116542780 is 87245611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7270 + ... + 16909.

It is an arithmetic number, because the mean of its divisors is an integer number (10240230).

Almost surely, 2^116542780 is an apocalyptic number.

116542780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116542780 is an abundant number, since it is smaller than the sum of its proper divisors (129222740).

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

116542780 is a wasteful number, since it uses less digits than its factorization.

116542780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24429 (or 24427 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 116542780 is about 10795.4981357972. The cubic root of 116542780 is about 488.4593844469.

The spelling of 116542780 in words is "one hundred sixteen million, five hundred forty-two thousand, seven hundred eighty".