88790581 has 8 divisors (see below), whose sum is σ = 97013664. Its totient is φ = 80592720.

The previous prime is 88790579. The next prime is 88790687. The reversal of 88790581 is 18509788.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88790581 - 2¹ = 88790579 is a prime.

It is a super-2 number, since 2×88790581² = 15767534548635122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88790381) 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, 1486 + ... + 13408.

It is an arithmetic number, because the mean of its divisors is an integer number (12126708).

Almost surely, 2^88790581 is an apocalyptic number.

It is an amenable number.

88790581 is a deficient number, since it is larger than the sum of its proper divisors (8223083).

88790581 is a wasteful number, since it uses less digits than its factorization.

88790581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12611.

The product of its (nonzero) digits is 161280, while the sum is 46.

The square root of 88790581 is about 9422.8754104042. The cubic root of 88790581 is about 446.1240463472.

The spelling of 88790581 in words is "eighty-eight million, seven hundred ninety thousand, five hundred eighty-one".