90356846357 has 2 divisors, whose sum is σ = 90356846358. Its totient is φ = 90356846356.

The previous prime is 90356846339. The next prime is 90356846383. The reversal of 90356846357 is 75364865309.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81499401361 + 8857444996 = 285481^2 + 94114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90356846357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90356806357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45178423178 + 45178423179.

It is an arithmetic number, because the mean of its divisors is an integer number (45178423179).

Almost surely, 2^90356846357 is an apocalyptic number.

It is an amenable number.

90356846357 is a deficient number, since it is larger than the sum of its proper divisors (1).

90356846357 is an equidigital number, since it uses as much as digits as its factorization.

90356846357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16329600, while the sum is 56.

The spelling of 90356846357 in words is "ninety billion, three hundred fifty-six million, eight hundred forty-six thousand, three hundred fifty-seven".