88909090988 has 12 divisors (see below), whose sum is σ = 157045030632. Its totient is φ = 44039082240.

The previous prime is 88909090943. The next prime is 88909091009.

88909090988 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×88909090988² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103865333 + ... + 103866188.

It is an arithmetic number, because the mean of its divisors is an integer number (13087085886).

Almost surely, 2^88909090988 is an apocalyptic number.

It is an amenable number.

88909090988 is a deficient number, since it is larger than the sum of its proper divisors (68135939644).

88909090988 is a wasteful number, since it uses less digits than its factorization.

88909090988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207731632 (or 207731630 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 68.

The spelling of 88909090988 in words is "eighty-eight billion, nine hundred nine million, ninety thousand, nine hundred eighty-eight".