116677780 has 12 divisors (see below), whose sum is σ = 245023380. Its totient is φ = 46671104.

The previous prime is 116677763. The next prime is 116677793. The reversal of 116677780 is 87776611.

It can be written as a sum of positive squares in 2 ways, for example, as 79174404 + 37503376 = 8898^2 + 6124^2 .

It is a super-2 number, since 2×116677780² = 27227408691456800, which contains 22 as substring.

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, 2916925 + ... + 2916964.

It is an arithmetic number, because the mean of its divisors is an integer number (20418615).

Almost surely, 2^116677780 is an apocalyptic number.

116677780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116677780 is an abundant number, since it is smaller than the sum of its proper divisors (128345600).

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

116677780 is a wasteful number, since it uses less digits than its factorization.

116677780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5833898 (or 5833896 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 116677780 is about 10801.7489324646. The cubic root of 116677780 is about 488.6479177090.

The spelling of 116677780 in words is "one hundred sixteen million, six hundred seventy-seven thousand, seven hundred eighty".