88581797 has 2 divisors, whose sum is σ = 88581798. Its totient is φ = 88581796.

The previous prime is 88581761. The next prime is 88581799. The reversal of 88581797 is 79718588.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70040161 + 18541636 = 8369^2 + 4306^2 .

It is a cyclic number.

It is not a de Polignac number, because 88581797 - 2⁶ = 88581733 is a prime.

Together with 88581799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88581799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44290898 + 44290899.

It is an arithmetic number, because the mean of its divisors is an integer number (44290899).

Almost surely, 2^88581797 is an apocalyptic number.

It is an amenable number.

88581797 is a deficient number, since it is larger than the sum of its proper divisors (1).

88581797 is an equidigital number, since it uses as much as digits as its factorization.

88581797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 53.

The square root of 88581797 is about 9411.7903185313. The cubic root of 88581797 is about 445.7740968221.

The spelling of 88581797 in words is "eighty-eight million, five hundred eighty-one thousand, seven hundred ninety-seven".