7687386742 has 8 divisors (see below), whose sum is σ = 13178377296. Its totient is φ = 3294594312.

The previous prime is 7687386739. The next prime is 7687386923. The reversal of 7687386742 is 2476837867.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274549513 + ... + 274549540.

It is an arithmetic number, because the mean of its divisors is an integer number (1647297162).

Almost surely, 2^7687386742 is an apocalyptic number.

7687386742 is a deficient number, since it is larger than the sum of its proper divisors (5490990554).

7687386742 is a wasteful number, since it uses less digits than its factorization.

7687386742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549099062.

The product of its digits is 18966528, while the sum is 58.

The square root of 7687386742 is about 87677.7437095641. The cubic root of 7687386742 is about 1973.6020009532.

The spelling of 7687386742 in words is "seven billion, six hundred eighty-seven million, three hundred eighty-six thousand, seven hundred forty-two".