116978400 has 432 divisors, whose sum is σ = 516716928. Its totient is φ = 24192000.

The previous prime is 116978399. The next prime is 116978401. The reversal of 116978400 is 4879611.

It is an interprime number because it is at equal distance from previous prime (116978399) and next prime (116978401).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116978401) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 554295 + ... + 554505.

It is an arithmetic number, because the mean of its divisors is an integer number (1196104).

Almost surely, 2^116978400 is an apocalyptic number.

116978400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116978400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258358464).

116978400 is an abundant number, since it is smaller than the sum of its proper divisors (399738528).

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

116978400 is a wasteful number, since it uses less digits than its factorization.

116978400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 116978400 is about 10815.6553199517. The cubic root of 116978400 is about 489.0672245016.

The spelling of 116978400 in words is "one hundred sixteen million, nine hundred seventy-eight thousand, four hundred".