116778620 has 24 divisors (see below), whose sum is σ = 280269024. Its totient is φ = 40038336.

The previous prime is 116778589. The next prime is 116778631. The reversal of 116778620 is 26877611.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 416927 + ... + 417206.

It is an arithmetic number, because the mean of its divisors is an integer number (11677876).

Almost surely, 2^116778620 is an apocalyptic number.

116778620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116778620 is an abundant number, since it is smaller than the sum of its proper divisors (163490404).

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

116778620 is a wasteful number, since it uses less digits than its factorization.

116778620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834149 (or 834147 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 116778620 is about 10806.4156869889. The cubic root of 116778620 is about 488.7886502097.

The spelling of 116778620 in words is "one hundred sixteen million, seven hundred seventy-eight thousand, six hundred twenty".