76730503044647 has 4 divisors (see below), whose sum is σ = 76733763063216. Its totient is φ = 76727243026080.

The previous prime is 76730503044607. The next prime is 76730503044677. The reversal of 76730503044647 is 74644030503767.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 76730503044647 - 2³⁶ = 76661783567911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76730503044592 and 76730503044601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76730503044607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1629973979 + ... + 1630021052.

It is an arithmetic number, because the mean of its divisors is an integer number (19183440765804).

Almost surely, 2^{76730503044647} is an apocalyptic number.

76730503044647 is a deficient number, since it is larger than the sum of its proper divisors (3260018569).

76730503044647 is a wasteful number, since it uses less digits than its factorization.

76730503044647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260018568.

The product of its (nonzero) digits is 35562240, while the sum is 56.

The spelling of 76730503044647 in words is "seventy-six trillion, seven hundred thirty billion, five hundred three million, forty-four thousand, six hundred forty-seven".