88722788 has 24 divisors (see below), whose sum is σ = 193577664. Its totient is φ = 34567200.

The previous prime is 88722773. The next prime is 88722791.

It is a happy number.

88722788 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×88722788² = 15743466220985888, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 143723 + ... + 144338.

It is an arithmetic number, because the mean of its divisors is an integer number (8065736).

Almost surely, 2^88722788 is an apocalyptic number.

It is an amenable number.

88722788 is an abundant number, since it is smaller than the sum of its proper divisors (104854876).

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

88722788 is a wasteful number, since it uses less digits than its factorization.

88722788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288083 (or 288081 counting only the distinct ones).

The product of its digits is 802816, while the sum is 50.

The square root of 88722788 is about 9419.2774669823. The cubic root of 88722788 is about 446.0104765381.

The spelling of 88722788 in words is "eighty-eight million, seven hundred twenty-two thousand, seven hundred eighty-eight".