96639637 has 2 divisors, whose sum is σ = 96639638. Its totient is φ = 96639636.

The previous prime is 96639607. The next prime is 96639691. The reversal of 96639637 is 73693669.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79673476 + 16966161 = 8926^2 + 4119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-96639637 is a prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (96639607) 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, 48319818 + 48319819.

It is an arithmetic number, because the mean of its divisors is an integer number (48319819).

Almost surely, 2^96639637 is an apocalyptic number.

It is an amenable number.

96639637 is a deficient number, since it is larger than the sum of its proper divisors (1).

96639637 is an equidigital number, since it uses as much as digits as its factorization.

96639637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1102248, while the sum is 49.

The square root of 96639637 is about 9830.5461191126. The cubic root of 96639637 is about 458.9003933896.

The spelling of 96639637 in words is "ninety-six million, six hundred thirty-nine thousand, six hundred thirty-seven".