90814079 has 2 divisors, whose sum is σ = 90814080. Its totient is φ = 90814078.

The previous prime is 90814067. The next prime is 90814081. The reversal of 90814079 is 97041809.

It is a strong prime.

It is an emirp because it is prime and its reverse (97041809) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90814079 - 2¹⁶ = 90748543 is a prime.

Together with 90814081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90814679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45407039 + 45407040.

It is an arithmetic number, because the mean of its divisors is an integer number (45407040).

Almost surely, 2^90814079 is an apocalyptic number.

90814079 is a deficient number, since it is larger than the sum of its proper divisors (1).

90814079 is an equidigital number, since it uses as much as digits as its factorization.

90814079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 90814079 is about 9529.6421233958. The cubic root of 90814079 is about 449.4876126823.

The spelling of 90814079 in words is "ninety million, eight hundred fourteen thousand, seventy-nine".