90798833 has 2 divisors, whose sum is σ = 90798834. Its totient is φ = 90798832.

The previous prime is 90798793. The next prime is 90798839. The reversal of 90798833 is 33889709.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90003169 + 795664 = 9487^2 + 892^2 .

It is a cyclic number.

It is not a de Polignac number, because 90798833 - 2⁶ = 90798769 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90798839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45399416 + 45399417.

It is an arithmetic number, because the mean of its divisors is an integer number (45399417).

Almost surely, 2^90798833 is an apocalyptic number.

It is an amenable number.

90798833 is a deficient number, since it is larger than the sum of its proper divisors (1).

90798833 is an equidigital number, since it uses as much as digits as its factorization.

90798833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 90798833 is about 9528.8421647124. The cubic root of 90798833 is about 449.4624577293.

The spelling of 90798833 in words is "ninety million, seven hundred ninety-eight thousand, eight hundred thirty-three".