88634261 has 2 divisors, whose sum is σ = 88634262. Its totient is φ = 88634260.

The previous prime is 88634213. The next prime is 88634263. The reversal of 88634261 is 16243688.

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., 67749361 + 20884900 = 8231^2 + 4570^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88634261 is a prime.

It is a super-2 number, since 2×88634261² = 15712064446032242, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 88634263, it forms a pair of twin primes.

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 (88634263) 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, 44317130 + 44317131.

It is an arithmetic number, because the mean of its divisors is an integer number (44317131).

Almost surely, 2^88634261 is an apocalyptic number.

It is an amenable number.

88634261 is a deficient number, since it is larger than the sum of its proper divisors (1).

88634261 is an equidigital number, since it uses as much as digits as its factorization.

88634261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 38.

The square root of 88634261 is about 9414.5770483862. The cubic root of 88634261 is about 445.8620850898.

The spelling of 88634261 in words is "eighty-eight million, six hundred thirty-four thousand, two hundred sixty-one".