7642766343047 has 12 divisors (see below), whose sum is σ = 8404306300488. Its totient is φ = 6945008782800.

The previous prime is 7642766343013. The next prime is 7642766343071. The reversal of 7642766343047 is 7403436672467.

It is not a de Polignac number, because 7642766343047 - 2²⁸ = 7642497907591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7642766343847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13172204 + ... + 13740177.

It is an arithmetic number, because the mean of its divisors is an integer number (700358858374).

Almost surely, 2^{7642766343047} is an apocalyptic number.

7642766343047 is a deficient number, since it is larger than the sum of its proper divisors (761539957441).

7642766343047 is a wasteful number, since it uses less digits than its factorization.

7642766343047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26914750 (or 26914739 counting only the distinct ones).

The product of its (nonzero) digits is 85349376, while the sum is 59.

The spelling of 7642766343047 in words is "seven trillion, six hundred forty-two billion, seven hundred sixty-six million, three hundred forty-three thousand, forty-seven".