88564669 has 2 divisors, whose sum is σ = 88564670. Its totient is φ = 88564668.

The previous prime is 88564667. The next prime is 88564711. The reversal of 88564669 is 96646588.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88115769 + 448900 = 9387^2 + 670^2 .

It is a cyclic number.

It is not a de Polignac number, because 88564669 - 2¹ = 88564667 is a prime.

It is a super-2 number, since 2×88564669² = 15687401190159122, which contains 22 as substring.

Together with 88564667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88564661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44282334 + 44282335.

It is an arithmetic number, because the mean of its divisors is an integer number (44282335).

Almost surely, 2^88564669 is an apocalyptic number.

It is an amenable number.

88564669 is a deficient number, since it is larger than the sum of its proper divisors (1).

88564669 is an equidigital number, since it uses as much as digits as its factorization.

88564669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2488320, while the sum is 52.

The square root of 88564669 is about 9410.8803520181. The cubic root of 88564669 is about 445.7453636393.

The spelling of 88564669 in words is "eighty-eight million, five hundred sixty-four thousand, six hundred sixty-nine".