7698934478 has 4 divisors (see below), whose sum is σ = 11548401720. Its totient is φ = 3849467238.

The previous prime is 7698934469. The next prime is 7698934547. The reversal of 7698934478 is 8744398967.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1924733618 + ... + 1924733621.

It is an arithmetic number, because the mean of its divisors is an integer number (2887100430).

Almost surely, 2^7698934478 is an apocalyptic number.

7698934478 is a deficient number, since it is larger than the sum of its proper divisors (3849467242).

7698934478 is a wasteful number, since it uses less digits than its factorization.

7698934478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3849467241.

The product of its digits is 73156608, while the sum is 65.

The square root of 7698934478 is about 87743.5722888007. The cubic root of 7698934478 is about 1974.5897329085.

The spelling of 7698934478 in words is "seven billion, six hundred ninety-eight million, nine hundred thirty-four thousand, four hundred seventy-eight".