90854359 has 2 divisors, whose sum is σ = 90854360. Its totient is φ = 90854358.

The previous prime is 90854339. The next prime is 90854363. The reversal of 90854359 is 95345809.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90854359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90854329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45427179 + 45427180.

It is an arithmetic number, because the mean of its divisors is an integer number (45427180).

Almost surely, 2^90854359 is an apocalyptic number.

90854359 is a deficient number, since it is larger than the sum of its proper divisors (1).

90854359 is an equidigital number, since it uses as much as digits as its factorization.

90854359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 90854359 is about 9531.7552948027. The cubic root of 90854359 is about 449.5540586382.

The spelling of 90854359 in words is "ninety million, eight hundred fifty-four thousand, three hundred fifty-nine".