2976678828643 has 4 divisors (see below), whose sum is σ = 3205654123168. Its totient is φ = 2747703534120.

The previous prime is 2976678828637. The next prime is 2976678828671. The reversal of 2976678828643 is 3468288766792.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2976678828643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2976678828643.

It is not an unprimeable number, because it can be changed into a prime (2976678828443) 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, 114487647243 + ... + 114487647268.

It is an arithmetic number, because the mean of its divisors is an integer number (801413530792).

Almost surely, 2^{2976678828643} is an apocalyptic number.

2976678828643 is a deficient number, since it is larger than the sum of its proper divisors (228975294525).

2976678828643 is a wasteful number, since it uses less digits than its factorization.

2976678828643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228975294524.

The product of its digits is 2341011456, while the sum is 76.

The spelling of 2976678828643 in words is "two trillion, nine hundred seventy-six billion, six hundred seventy-eight million, eight hundred twenty-eight thousand, six hundred forty-three".