9077230021 has 2 divisors, whose sum is σ = 9077230022. Its totient is φ = 9077230020.

The previous prime is 9077230009. The next prime is 9077230033. The reversal of 9077230021 is 1200327709.

It is a balanced prime because it is at equal distance from previous prime (9077230009) and next prime (9077230033).

It can be written as a sum of positive squares in only one way, i.e., 9038304900 + 38925121 = 95070^2 + 6239^2 .

It is a cyclic number.

It is not a de Polignac number, because 9077230021 - 2¹⁹ = 9076705733 is a prime.

It is a super-2 number, since 2×9077230021² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9077231021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4538615010 + 4538615011.

It is an arithmetic number, because the mean of its divisors is an integer number (4538615011).

Almost surely, 2^9077230021 is an apocalyptic number.

It is an amenable number.

9077230021 is a deficient number, since it is larger than the sum of its proper divisors (1).

9077230021 is an equidigital number, since it uses as much as digits as its factorization.

9077230021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 9077230021 is about 95274.4982720980. The cubic root of 9077230021 is about 2086.0166968068.

The spelling of 9077230021 in words is "nine billion, seventy-seven million, two hundred thirty thousand, twenty-one".