88118778 has 32 divisors (see below), whose sum is σ = 193462272. Its totient is φ = 26535600.

The previous prime is 88118759. The next prime is 88118783. The reversal of 88118778 is 87781188.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6663 + ... + 14853.

It is an arithmetic number, because the mean of its divisors is an integer number (6045696).

Almost surely, 2^88118778 is an apocalyptic number.

88118778 is an abundant number, since it is smaller than the sum of its proper divisors (105343494).

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

88118778 is a wasteful number, since it uses less digits than its factorization.

88118778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8370.

The product of its digits is 200704, while the sum is 48.

The square root of 88118778 is about 9387.1602734799. The cubic root of 88118778 is about 444.9960492853.

The spelling of 88118778 in words is "eighty-eight million, one hundred eighteen thousand, seven hundred seventy-eight".