90988753 has 2 divisors, whose sum is σ = 90988754. Its totient is φ = 90988752.

The previous prime is 90988741. The next prime is 90988819. The reversal of 90988753 is 35788909.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76335169 + 14653584 = 8737^2 + 3828^2 .

It is a cyclic number.

It is not a de Polignac number, because 90988753 - 2⁵ = 90988721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90988697 and 90988706.

It is not a weakly prime, because it can be changed into another prime (90988153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45494376 + 45494377.

It is an arithmetic number, because the mean of its divisors is an integer number (45494377).

Almost surely, 2^90988753 is an apocalyptic number.

It is an amenable number.

90988753 is a deficient number, since it is larger than the sum of its proper divisors (1).

90988753 is an equidigital number, since it uses as much as digits as its factorization.

90988753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 90988753 is about 9538.8024929757. The cubic root of 90988753 is about 449.7756132339.

The spelling of 90988753 in words is "ninety million, nine hundred eighty-eight thousand, seven hundred fifty-three".