88479581 has 2 divisors, whose sum is σ = 88479582. Its totient is φ = 88479580.

The previous prime is 88479569. The next prime is 88479593. The reversal of 88479581 is 18597488.

It is a balanced prime because it is at equal distance from previous prime (88479569) and next prime (88479593).

It can be written as a sum of positive squares in only one way, i.e., 71132356 + 17347225 = 8434^2 + 4165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88479581 is a prime.

It is a super-2 number, since 2×88479581² = 15657272507871122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88479481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44239790 + 44239791.

It is an arithmetic number, because the mean of its divisors is an integer number (44239791).

Almost surely, 2^88479581 is an apocalyptic number.

It is an amenable number.

88479581 is a deficient number, since it is larger than the sum of its proper divisors (1).

88479581 is an equidigital number, since it uses as much as digits as its factorization.

88479581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 50.

The square root of 88479581 is about 9406.3585409020. The cubic root of 88479581 is about 445.6025687955.

The spelling of 88479581 in words is "eighty-eight million, four hundred seventy-nine thousand, five hundred eighty-one".