88428500 has 24 divisors (see below), whose sum is σ = 193128936. Its totient is φ = 35371200.

The previous prime is 88428499. The next prime is 88428503. The reversal of 88428500 is 582488.

It can be written as a sum of positive squares in 4 ways, for example, as 781456 + 87647044 = 884^2 + 9362^2 .

It is a super-2 number, since 2×88428500² = 15639199224500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88428503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87929 + ... + 88928.

It is an arithmetic number, because the mean of its divisors is an integer number (8047039).

Almost surely, 2^88428500 is an apocalyptic number.

It is an amenable number.

88428500 is an abundant number, since it is smaller than the sum of its proper divisors (104700436).

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

88428500 is a wasteful number, since it uses less digits than its factorization.

88428500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176876 (or 176864 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 88428500 is about 9403.6429111276. The cubic root of 88428500 is about 445.5168005831.

The spelling of 88428500 in words is "eighty-eight million, four hundred twenty-eight thousand, five hundred".