88778592 has 216 divisors, whose sum is σ = 305867016. Its totient is φ = 25256448.

The previous prime is 88778581. The next prime is 88778609. The reversal of 88778592 is 29587788.

It is a tau number, because it is divible by the number of its divisors (216).

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

Its product of digits (2257920) is a multiple of the sum of its prime divisors (245).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 380908 + ... + 381140.

It is an arithmetic number, because the mean of its divisors is an integer number (1416051).

Almost surely, 2^88778592 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 88778592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152933508).

88778592 is an abundant number, since it is smaller than the sum of its proper divisors (217088424).

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

88778592 is a wasteful number, since it uses less digits than its factorization.

88778592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 245 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 54.

The square root of 88778592 is about 9422.2392243033. The cubic root of 88778592 is about 446.1039660569.

The spelling of 88778592 in words is "eighty-eight million, seven hundred seventy-eight thousand, five hundred ninety-two".