8522797761 has 9 divisors (see below), whose sum is σ = 12311107939. Its totient is φ = 5681680536.

The previous prime is 8522797711. The next prime is 8522797763. The reversal of 8522797761 is 1677972258.

It is a happy number.

The square root of 8522797761 is 92319.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 821682225 + 7701115536 = 28665^2 + 87756^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is a de Polignac number, because none of the positive numbers 2^k-8522797761 is a prime.

It is a super-2 number, since 2×8522797761² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8522797698 and 8522797707.

It is not an unprimeable number, because it can be changed into a prime (8522797763) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 261571 + ... + 292343.

Almost surely, 2^8522797761 is an apocalyptic number.

8522797761 is the 92319-th square number.

8522797761 is the 46160-th centered octagonal number.

It is an amenable number.

8522797761 is a deficient number, since it is larger than the sum of its proper divisors (3788310178).

8522797761 is an frugal number, since it uses more digits than its factorization.

8522797761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61552 (or 30776 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 54.

The cubic root of 8522797761 is about 2042.6504829084.

The spelling of 8522797761 in words is "eight billion, five hundred twenty-two million, seven hundred ninety-seven thousand, seven hundred sixty-one".