88565994 has 32 divisors (see below), whose sum is σ = 214706880. Its totient is φ = 26838000.

The previous prime is 88565969. The next prime is 88565999. The reversal of 88565994 is 49956588.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 88565994.

It is not an unprimeable number, because it can be changed into a prime (88565999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73957 + ... + 75144.

It is an arithmetic number, because the mean of its divisors is an integer number (6709590).

Almost surely, 2^88565994 is an apocalyptic number.

88565994 is an abundant number, since it is smaller than the sum of its proper divisors (126140886).

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

88565994 is a wasteful number, since it uses less digits than its factorization.

88565994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149123 (or 149117 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The square root of 88565994 is about 9410.9507489945. The cubic root of 88565994 is about 445.7475865335.

The spelling of 88565994 in words is "eighty-eight million, five hundred sixty-five thousand, nine hundred ninety-four".