88772885 has 4 divisors (see below), whose sum is σ = 106527468. Its totient is φ = 71018304.

The previous prime is 88772867. The next prime is 88772909. The reversal of 88772885 is 58827788.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 63138916 + 25633969 = 7946^2 + 5063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88772885 is a prime.

It is a super-2 number, since 2×88772885² = 15761250222446450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8877284 + ... + 8877293.

It is an arithmetic number, because the mean of its divisors is an integer number (26631867).

Almost surely, 2^88772885 is an apocalyptic number.

It is an amenable number.

88772885 is a deficient number, since it is larger than the sum of its proper divisors (17754583).

88772885 is a wasteful number, since it uses less digits than its factorization.

88772885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17754582.

The product of its digits is 2007040, while the sum is 53.

The square root of 88772885 is about 9421.9363721053. The cubic root of 88772885 is about 446.0944068083.

The spelling of 88772885 in words is "eighty-eight million, seven hundred seventy-two thousand, eight hundred eighty-five".