8622028813 has 2 divisors, whose sum is σ = 8622028814. Its totient is φ = 8622028812.

The previous prime is 8622028783. The next prime is 8622028951. The reversal of 8622028813 is 3188202268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8057396169 + 564632644 = 89763^2 + 23762^2 .

It is a cyclic number.

It is not a de Polignac number, because 8622028813 - 2⁵ = 8622028781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8622068813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4311014406 + 4311014407.

It is an arithmetic number, because the mean of its divisors is an integer number (4311014407).

Almost surely, 2^8622028813 is an apocalyptic number.

It is an amenable number.

8622028813 is a deficient number, since it is larger than the sum of its proper divisors (1).

8622028813 is an equidigital number, since it uses as much as digits as its factorization.

8622028813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 8622028813 is about 92854.8803940859. The cubic root of 8622028813 is about 2050.5474495082.

The spelling of 8622028813 in words is "eight billion, six hundred twenty-two million, twenty-eight thousand, eight hundred thirteen".