116815347 has 48 divisors (see below), whose sum is σ = 201277440. Its totient is φ = 64454400.

The previous prime is 116815343. The next prime is 116815357. The reversal of 116815347 is 743518611.

116815347 is a `hidden beast` number, since 116 + 8 + 1 + 534 + 7 = 666.

It is not a de Polignac number, because 116815347 - 2² = 116815343 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (116815343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51054 + ... + 53292.

It is an arithmetic number, because the mean of its divisors is an integer number (4193280).

Almost surely, 2^116815347 is an apocalyptic number.

116815347 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

116815347 is a deficient number, since it is larger than the sum of its proper divisors (84462093).

116815347 is a wasteful number, since it uses less digits than its factorization.

116815347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304 (or 2301 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 116815347 is about 10808.1148680054. The cubic root of 116815347 is about 488.8398863554.

The spelling of 116815347 in words is "one hundred sixteen million, eight hundred fifteen thousand, three hundred forty-seven".