88960581 has 6 divisors (see below), whose sum is σ = 128498630. Its totient is φ = 59307048.

The previous prime is 88960567. The next prime is 88960583. The reversal of 88960581 is 18506988.

88960581 is a `hidden beast` number, since 8 + 8 + 9 + 60 + 581 = 666.

It can be written as a sum of positive squares in only one way, i.e., 80838081 + 8122500 = 8991^2 + 2850^2 .

It is not a de Polignac number, because 88960581 - 2⁷ = 88960453 is a prime.

It is a super-2 number, since 2×88960581² = 15827969943715122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88960583) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4942246 + ... + 4942263.

Almost surely, 2^88960581 is an apocalyptic number.

It is an amenable number.

88960581 is a deficient number, since it is larger than the sum of its proper divisors (39538049).

88960581 is a wasteful number, since it uses less digits than its factorization.

88960581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9884515 (or 9884512 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 88960581 is about 9431.8916978515. The cubic root of 88960581 is about 446.4085837994.

The spelling of 88960581 in words is "eighty-eight million, nine hundred sixty thousand, five hundred eighty-one".