88798778 has 4 divisors (see below), whose sum is σ = 133198170. Its totient is φ = 44399388.

The previous prime is 88798757. The next prime is 88798793. The reversal of 88798778 is 87789788.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 86248369 + 2550409 = 9287^2 + 1597^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 88798778.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22199693 + ... + 22199696.

Almost surely, 2^88798778 is an apocalyptic number.

88798778 is a deficient number, since it is larger than the sum of its proper divisors (44399392).

88798778 is a wasteful number, since it uses less digits than its factorization.

88798778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44399391.

The product of its digits is 12644352, while the sum is 62.

The square root of 88798778 is about 9423.3103525247. The cubic root of 88798778 is about 446.1377744035.

The spelling of 88798778 in words is "eighty-eight million, seven hundred ninety-eight thousand, seven hundred seventy-eight".