88563140 has 24 divisors (see below), whose sum is σ = 186268992. Its totient is φ = 35370720.

The previous prime is 88563131. The next prime is 88563193. The reversal of 88563140 is 4136588.

It is a self number, because there is not a number n which added to its sum of digits gives 88563140.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11495 + ... + 17585.

It is an arithmetic number, because the mean of its divisors is an integer number (7761208).

Almost surely, 2^88563140 is an apocalyptic number.

It is an amenable number.

88563140 is an abundant number, since it is smaller than the sum of its proper divisors (97705852).

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

88563140 is a wasteful number, since it uses less digits than its factorization.

88563140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6827 (or 6825 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 88563140 is about 9410.7991159093. The cubic root of 88563140 is about 445.7427984757.

The spelling of 88563140 in words is "eighty-eight million, five hundred sixty-three thousand, one hundred forty".