7839122696 has 8 divisors (see below), whose sum is σ = 14698355070. Its totient is φ = 3919561344.

The previous prime is 7839122689. The next prime is 7839122699. The reversal of 7839122696 is 6962219387.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7682522500 + 156600196 = 87650^2 + 12514^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×7839122696² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7839122699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489945161 + ... + 489945176.

Almost surely, 2^7839122696 is an apocalyptic number.

It is an amenable number.

7839122696 is a deficient number, since it is larger than the sum of its proper divisors (6859232374).

7839122696 is a wasteful number, since it uses less digits than its factorization.

7839122696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979890343 (or 979890339 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 53.

The square root of 7839122696 is about 88538.8202767577. The cubic root of 7839122696 is about 1986.5026740049.

The spelling of 7839122696 in words is "seven billion, eight hundred thirty-nine million, one hundred twenty-two thousand, six hundred ninety-six".