90802867 has 2 divisors, whose sum is σ = 90802868. Its totient is φ = 90802866.

The previous prime is 90802861. The next prime is 90802871. The reversal of 90802867 is 76820809.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90802867 - 2⁷ = 90802739 is a prime.

It is not a weakly prime, because it can be changed into another prime (90802861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45401433 + 45401434.

It is an arithmetic number, because the mean of its divisors is an integer number (45401434).

Almost surely, 2^90802867 is an apocalyptic number.

90802867 is a deficient number, since it is larger than the sum of its proper divisors (1).

90802867 is an equidigital number, since it uses as much as digits as its factorization.

90802867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 90802867 is about 9529.0538355075. The cubic root of 90802867 is about 449.4691138527.

The spelling of 90802867 in words is "ninety million, eight hundred two thousand, eight hundred sixty-seven".