90890467 has 2 divisors, whose sum is σ = 90890468. Its totient is φ = 90890466.

The previous prime is 90890453. The next prime is 90890473. The reversal of 90890467 is 76409809.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90890467 - 2¹⁹ = 90366179 is a prime.

It is a super-2 number, since 2×90890467² = 16522153982956178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90890407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45445233 + 45445234.

It is an arithmetic number, because the mean of its divisors is an integer number (45445234).

Almost surely, 2^90890467 is an apocalyptic number.

90890467 is a deficient number, since it is larger than the sum of its proper divisors (1).

90890467 is an equidigital number, since it uses as much as digits as its factorization.

90890467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 90890467 is about 9533.6491963990. The cubic root of 90890467 is about 449.6136057646.

The spelling of 90890467 in words is "ninety million, eight hundred ninety thousand, four hundred sixty-seven".