118878771400 has 24 divisors (see below), whose sum is σ = 276393143970. Its totient is φ = 47551508480.

The previous prime is 118878771383. The next prime is 118878771421. The reversal of 118878771400 is 4177878811.

It can be written as a sum of positive squares in 3 ways, for example, as 68130396324 + 50748375076 = 261018^2 + 225274^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 297196729 + ... + 297197128.

Almost surely, 2^118878771400 is an apocalyptic number.

118878771400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118878771400 is an abundant number, since it is smaller than the sum of its proper divisors (157514372570).

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

118878771400 is a wasteful number, since it uses less digits than its factorization.

118878771400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594393873 (or 594393864 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 52.

The spelling of 118878771400 in words is "one hundred eighteen billion, eight hundred seventy-eight million, seven hundred seventy-one thousand, four hundred".