7664647422 has 16 divisors (see below), whose sum is σ = 15349715712. Its totient is φ = 2551479000.

The previous prime is 7664647411. The next prime is 7664647477. The reversal of 7664647422 is 2247464667.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845988 + ... + 854999.

It is an arithmetic number, because the mean of its divisors is an integer number (959357232).

Almost surely, 2^7664647422 is an apocalyptic number.

7664647422 is an abundant number, since it is smaller than the sum of its proper divisors (7685068290).

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

7664647422 is a wasteful number, since it uses less digits than its factorization.

7664647422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701743.

The product of its digits is 2709504, while the sum is 48.

The square root of 7664647422 is about 87547.9721181479. The cubic root of 7664647422 is about 1971.6541049191.

The spelling of 7664647422 in words is "seven billion, six hundred sixty-four million, six hundred forty-seven thousand, four hundred twenty-two".