88516669 has 2 divisors, whose sum is σ = 88516670. Its totient is φ = 88516668.

The previous prime is 88516667. The next prime is 88516693. The reversal of 88516669 is 96661588.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88172100 + 344569 = 9390^2 + 587^2 .

It is a cyclic number.

It is not a de Polignac number, because 88516669 - 2¹ = 88516667 is a prime.

It is a super-2 number, since 2×88516669² = 15670401381711122, which contains 22 as substring.

Together with 88516667, 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 (88516667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44258334 + 44258335.

It is an arithmetic number, because the mean of its divisors is an integer number (44258335).

Almost surely, 2^88516669 is an apocalyptic number.

It is an amenable number.

88516669 is a deficient number, since it is larger than the sum of its proper divisors (1).

88516669 is an equidigital number, since it uses as much as digits as its factorization.

88516669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 49.

The square root of 88516669 is about 9408.3297667546. The cubic root of 88516669 is about 445.6648211980.

The spelling of 88516669 in words is "eighty-eight million, five hundred sixteen thousand, six hundred sixty-nine".