88609520 has 20 divisors (see below), whose sum is σ = 206017320. Its totient is φ = 35443776.

The previous prime is 88609519. The next prime is 88609531. The reversal of 88609520 is 2590688.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553730 + ... + 553889.

It is an arithmetic number, because the mean of its divisors is an integer number (10300866).

Almost surely, 2^88609520 is an apocalyptic number.

88609520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

88609520 is an abundant number, since it is smaller than the sum of its proper divisors (117407800).

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

88609520 is a wasteful number, since it uses less digits than its factorization.

88609520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107632 (or 1107626 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 88609520 is about 9413.2629836842. The cubic root of 88609520 is about 445.8205958648.

The spelling of 88609520 in words is "eighty-eight million, six hundred nine thousand, five hundred twenty".