7698868636 has 12 divisors (see below), whose sum is σ = 13516908328. Its totient is φ = 3836894832.

The previous prime is 7698868543. The next prime is 7698868657. The reversal of 7698868636 is 6368688967.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3133491 + ... + 3135946.

Almost surely, 2^7698868636 is an apocalyptic number.

It is an amenable number.

7698868636 is a deficient number, since it is larger than the sum of its proper divisors (5818039692).

7698868636 is a wasteful number, since it uses less digits than its factorization.

7698868636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6269748 (or 6269746 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 67.

The square root of 7698868636 is about 87743.1970924242. The cubic root of 7698868636 is about 1974.5841039344.

The spelling of 7698868636 in words is "seven billion, six hundred ninety-eight million, eight hundred sixty-eight thousand, six hundred thirty-six".