90872730227 has 2 divisors, whose sum is σ = 90872730228. Its totient is φ = 90872730226.

The previous prime is 90872730217. The next prime is 90872730283. The reversal of 90872730227 is 72203727809.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90872730227 - 2³⁶ = 22153253491 is a prime.

It is not a weakly prime, because it can be changed into another prime (90872730217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45436365113 + 45436365114.

It is an arithmetic number, because the mean of its divisors is an integer number (45436365114).

Almost surely, 2^90872730227 is an apocalyptic number.

90872730227 is a deficient number, since it is larger than the sum of its proper divisors (1).

90872730227 is an equidigital number, since it uses as much as digits as its factorization.

90872730227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 90872730227 in words is "ninety billion, eight hundred seventy-two million, seven hundred thirty thousand, two hundred twenty-seven".