90885007 has 2 divisors, whose sum is σ = 90885008. Its totient is φ = 90885006.

The previous prime is 90884977. The next prime is 90885013. The reversal of 90885007 is 70058809.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90885007 - 2⁷ = 90884879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90885017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45442503 + 45442504.

It is an arithmetic number, because the mean of its divisors is an integer number (45442504).

Almost surely, 2^90885007 is an apocalyptic number.

90885007 is a deficient number, since it is larger than the sum of its proper divisors (1).

90885007 is an equidigital number, since it uses as much as digits as its factorization.

90885007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 90885007 is about 9533.3628379497. The cubic root of 90885007 is about 449.6046024755.

The spelling of 90885007 in words is "ninety million, eight hundred eighty-five thousand, seven".