7685837138 has 8 divisors (see below), whose sum is σ = 13175720832. Its totient is φ = 3293930196.

The previous prime is 7685837119. The next prime is 7685837183. The reversal of 7685837138 is 8317385867.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 274494170 + ... + 274494197.

It is an arithmetic number, because the mean of its divisors is an integer number (1646965104).

Almost surely, 2^7685837138 is an apocalyptic number.

7685837138 is a deficient number, since it is larger than the sum of its proper divisors (5489883694).

7685837138 is a wasteful number, since it uses less digits than its factorization.

7685837138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548988376.

The product of its digits is 6773760, while the sum is 56.

The square root of 7685837138 is about 87668.9063351426. The cubic root of 7685837138 is about 1973.4693808065.

The spelling of 7685837138 in words is "seven billion, six hundred eighty-five million, eight hundred thirty-seven thousand, one hundred thirty-eight".