90356765371 has 2 divisors, whose sum is σ = 90356765372. Its totient is φ = 90356765370.

The previous prime is 90356765329. The next prime is 90356765419. The reversal of 90356765371 is 17356765309.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90356765371 - 2¹⁷ = 90356634299 is a prime.

It is not a weakly prime, because it can be changed into another prime (90356760371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45178382685 + 45178382686.

It is an arithmetic number, because the mean of its divisors is an integer number (45178382686).

Almost surely, 2^90356765371 is an apocalyptic number.

90356765371 is a deficient number, since it is larger than the sum of its proper divisors (1).

90356765371 is an equidigital number, since it uses as much as digits as its factorization.

90356765371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3572100, while the sum is 52.

The spelling of 90356765371 in words is "ninety billion, three hundred fifty-six million, seven hundred sixty-five thousand, three hundred seventy-one".