7686543047 has 16 divisors (see below), whose sum is σ = 8218506240. Its totient is φ = 7163670528.

The previous prime is 7686543017. The next prime is 7686543077. The reversal of 7686543047 is 7403456867.

It is an interprime number because it is at equal distance from previous prime (7686543017) and next prime (7686543077).

It is not a de Polignac number, because 7686543047 - 2¹⁶ = 7686477511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7686542986 and 7686543004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7686543017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1225343 + ... + 1231599.

It is an arithmetic number, because the mean of its divisors is an integer number (513656640).

Almost surely, 2^7686543047 is an apocalyptic number.

7686543047 is a deficient number, since it is larger than the sum of its proper divisors (531963193).

7686543047 is a wasteful number, since it uses less digits than its factorization.

7686543047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6970.

The product of its (nonzero) digits is 3386880, while the sum is 50.

The square root of 7686543047 is about 87672.9322368084. The cubic root of 7686543047 is about 1973.5297970034.

The spelling of 7686543047 in words is "seven billion, six hundred eighty-six million, five hundred forty-three thousand, forty-seven".