88259640 has 64 divisors (see below), whose sum is σ = 302607360. Its totient is φ = 20173440.

The previous prime is 88259629. The next prime is 88259653. The reversal of 88259640 is 4695288.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 88259592 and 88259601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51696 + ... + 53375.

It is an arithmetic number, because the mean of its divisors is an integer number (4728240).

Almost surely, 2^88259640 is an apocalyptic number.

It is an amenable number.

88259640 is an abundant number, since it is smaller than the sum of its proper divisors (214347720).

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

88259640 is a wasteful number, since it uses less digits than its factorization.

88259640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105092 (or 105088 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 88259640 is about 9394.6601854458. The cubic root of 88259640 is about 445.2330387366.

The spelling of 88259640 in words is "eighty-eight million, two hundred fifty-nine thousand, six hundred forty".