118462878 has 16 divisors (see below), whose sum is σ = 263250960. Its totient is φ = 39487608.

The previous prime is 118462859. The next prime is 118462879. The reversal of 118462878 is 878264811.

118462878 is a `hidden beast` number, since 1 + 18 + 4 + 628 + 7 + 8 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118462879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1096825 + ... + 1096932.

It is an arithmetic number, because the mean of its divisors is an integer number (16453185).

Almost surely, 2^118462878 is an apocalyptic number.

118462878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

118462878 is an abundant number, since it is smaller than the sum of its proper divisors (144788082).

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

118462878 is a wasteful number, since it uses less digits than its factorization.

118462878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193768 (or 2193762 counting only the distinct ones).

The product of its digits is 172032, while the sum is 45.

The square root of 118462878 is about 10884.0653250520. The cubic root of 118462878 is about 491.1273197530.

The spelling of 118462878 in words is "one hundred eighteen million, four hundred sixty-two thousand, eight hundred seventy-eight".