115978750 has 80 divisors (see below), whose sum is σ = 233025408. Its totient is φ = 43200000.

The previous prime is 115978747. The next prime is 115978771. The reversal of 115978750 is 57879511.

It is a junction number, because it is equal to n+sod(n) for n = 115978697 and 115978706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1588714 + ... + 1588786.

Almost surely, 2^115978750 is an apocalyptic number.

115978750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115978750 is an abundant number, since it is smaller than the sum of its proper divisors (117046658).

115978750 is an equidigital number, since it uses as much as digits as its factorization.

115978750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 43.

The square root of 115978750 is about 10769.3430626014. The cubic root of 115978750 is about 487.6701137634.

The spelling of 115978750 in words is "one hundred fifteen million, nine hundred seventy-eight thousand, seven hundred fifty".