88799138 has 4 divisors (see below), whose sum is σ = 133198710. Its totient is φ = 44399568.

The previous prime is 88799119. The next prime is 88799167. The reversal of 88799138 is 83199788.

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., 71351809 + 17447329 = 8447^2 + 4177^2 .

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 88799138.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22199783 + ... + 22199786.

Almost surely, 2^88799138 is an apocalyptic number.

88799138 is a deficient number, since it is larger than the sum of its proper divisors (44399572).

88799138 is a wasteful number, since it uses less digits than its factorization.

88799138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44399571.

The product of its digits is 870912, while the sum is 53.

The square root of 88799138 is about 9423.3294540730. The cubic root of 88799138 is about 446.1383772999.

The spelling of 88799138 in words is "eighty-eight million, seven hundred ninety-nine thousand, one hundred thirty-eight".