88664441 has 2 divisors, whose sum is σ = 88664442. Its totient is φ = 88664440.

The previous prime is 88664417. The next prime is 88664447. The reversal of 88664441 is 14446688.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63664441 + 25000000 = 7979^2 + 5000^2 .

It is a cyclic number.

It is not a de Polignac number, because 88664441 - 2⁶ = 88664377 is a prime.

It is a super-2 number, since 2×88664441² = 15722766195684962, which contains 22 as substring.

It is a nialpdrome in base 10.

It is not a weakly prime, because it can be changed into another prime (88664447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44332220 + 44332221.

It is an arithmetic number, because the mean of its divisors is an integer number (44332221).

Almost surely, 2^88664441 is an apocalyptic number.

It is an amenable number.

88664441 is a deficient number, since it is larger than the sum of its proper divisors (1).

88664441 is an equidigital number, since it uses as much as digits as its factorization.

88664441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147456, while the sum is 41.

The square root of 88664441 is about 9416.1797455231. The cubic root of 88664441 is about 445.9126847510.

The spelling of 88664441 in words is "eighty-eight million, six hundred sixty-four thousand, four hundred forty-one".