90908803 has 2 divisors, whose sum is σ = 90908804. Its totient is φ = 90908802.

The previous prime is 90908791. The next prime is 90908813. The reversal of 90908803 is 30880909.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90908803 - 2¹³ = 90900611 is a prime.

It is not a weakly prime, because it can be changed into another prime (90908813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45454401 + 45454402.

It is an arithmetic number, because the mean of its divisors is an integer number (45454402).

Almost surely, 2^90908803 is an apocalyptic number.

90908803 is a deficient number, since it is larger than the sum of its proper divisors (1).

90908803 is an equidigital number, since it uses as much as digits as its factorization.

90908803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 90908803 is about 9534.6107943639. The cubic root of 90908803 is about 449.6438383476.

The spelling of 90908803 in words is "ninety million, nine hundred eight thousand, eight hundred three".