116978530 has 32 divisors (see below), whose sum is σ = 223812720. Its totient is φ = 44020480.

The previous prime is 116978509. The next prime is 116978549. The reversal of 116978530 is 35879611.

It can be written as a sum of positive squares in 8 ways, for example, as 16638241 + 100340289 = 4079^2 + 10017^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47940 + ... + 50320.

Almost surely, 2^116978530 is an apocalyptic number.

116978530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

116978530 is a deficient number, since it is larger than the sum of its proper divisors (106834190).

116978530 is an equidigital number, since it uses as much as digits as its factorization.

116978530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439 (or 2405 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 116978530 is about 10815.6613297570. The cubic root of 116978530 is about 489.0674056710.

The spelling of 116978530 in words is "one hundred sixteen million, nine hundred seventy-eight thousand, five hundred thirty".