116278915 has 16 divisors (see below), whose sum is σ = 147456000. Its totient is φ = 87845472.

The previous prime is 116278913. The next prime is 116278919. The reversal of 116278915 is 519872611.

It is a happy number.

It is not a de Polignac number, because 116278915 - 2¹ = 116278913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116278913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2686 + ... + 15484.

It is an arithmetic number, because the mean of its divisors is an integer number (9216000).

Almost surely, 2^116278915 is an apocalyptic number.

116278915 is a deficient number, since it is larger than the sum of its proper divisors (31177085).

116278915 is a wasteful number, since it uses less digits than its factorization.

116278915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12906.

The product of its digits is 30240, while the sum is 40.

The square root of 116278915 is about 10783.2701440704. The cubic root of 116278915 is about 488.0904648980.

The spelling of 116278915 in words is "one hundred sixteen million, two hundred seventy-eight thousand, nine hundred fifteen".