88887764 has 96 divisors (see below), whose sum is σ = 199180800. Its totient is φ = 34546176.

The previous prime is 88887739. The next prime is 88887769. The reversal of 88887764 is 46778888.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88887769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 862937 + ... + 863039.

It is an arithmetic number, because the mean of its divisors is an integer number (2074800).

Almost surely, 2^88887764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88887764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99590400).

88887764 is an abundant number, since it is smaller than the sum of its proper divisors (110293036).

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

88887764 is a wasteful number, since it uses less digits than its factorization.

88887764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 166 counting only the distinct ones).

The product of its digits is 4816896, while the sum is 56.

The square root of 88887764 is about 9428.0307593898. The cubic root of 88887764 is about 446.2867507860.

The spelling of 88887764 in words is "eighty-eight million, eight hundred eighty-seven thousand, seven hundred sixty-four".