7622686864 has 135 divisors (see below), whose sum is σ = 16950124107. Its totient is φ = 3319100928.

The previous prime is 7622686843. The next prime is 7622686871. The reversal of 7622686864 is 4686862267.

The square root of 7622686864 is 87308.

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

It can be written as a sum of positive squares in 4 ways, for example, as 766846864 + 6855840000 = 27692^2 + 82800^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 104420332 + ... + 104420404.

Almost surely, 2^7622686864 is an apocalyptic number.

7622686864 is the 87308-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7622686864

7622686864 is an abundant number, since it is smaller than the sum of its proper divisors (9327437243).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7622686864 is a wasteful number, since it uses less digits than its factorization.

7622686864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 111 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 55.

The cubic root of 7622686864 is about 1968.0495407473.

The spelling of 7622686864 in words is "seven billion, six hundred twenty-two million, six hundred eighty-six thousand, eight hundred sixty-four".