90616319 has 2 divisors, whose sum is σ = 90616320. Its totient is φ = 90616318.

The previous prime is 90616313. The next prime is 90616327. The reversal of 90616319 is 91361609.

It is a weak prime.

It is an emirp because it is prime and its reverse (91361609) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90616319 - 2⁴ = 90616303 is a prime.

It is a super-2 number, since 2×90616319² = 16422634538219522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90616313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45308159 + 45308160.

It is an arithmetic number, because the mean of its divisors is an integer number (45308160).

Almost surely, 2^90616319 is an apocalyptic number.

90616319 is a deficient number, since it is larger than the sum of its proper divisors (1).

90616319 is an equidigital number, since it uses as much as digits as its factorization.

90616319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 90616319 is about 9519.2604229530. The cubic root of 90616319 is about 449.1611021042.

The spelling of 90616319 in words is "ninety million, six hundred sixteen thousand, three hundred nineteen".