88752581 has 4 divisors (see below), whose sum is σ = 90427212. Its totient is φ = 87077952.

The previous prime is 88752551. The next prime is 88752583. The reversal of 88752581 is 18525788.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75099556 + 13653025 = 8666^2 + 3695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88752581 is a prime.

It is a super-2 number, since 2×88752581² = 15754041268323122, 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 (88752583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837236 + ... + 837341.

It is an arithmetic number, because the mean of its divisors is an integer number (22606803).

Almost surely, 2^88752581 is an apocalyptic number.

It is an amenable number.

88752581 is a deficient number, since it is larger than the sum of its proper divisors (1674631).

88752581 is a wasteful number, since it uses less digits than its factorization.

88752581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674630.

The product of its digits is 179200, while the sum is 44.

The square root of 88752581 is about 9420.8588249692. The cubic root of 88752581 is about 446.0603942024.

The spelling of 88752581 in words is "eighty-eight million, seven hundred fifty-two thousand, five hundred eighty-one".