4777762878947 has 2 divisors, whose sum is σ = 4777762878948. Its totient is φ = 4777762878946.

The previous prime is 4777762878919. The next prime is 4777762878949. The reversal of 4777762878947 is 7498782677774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4777762878947 - 2¹² = 4777762874851 is a prime.

Together with 4777762878949, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4777762878949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2388881439473 + 2388881439474.

It is an arithmetic number, because the mean of its divisors is an integer number (2388881439474).

Almost surely, 2^{4777762878947} is an apocalyptic number.

4777762878947 is a deficient number, since it is larger than the sum of its proper divisors (1).

4777762878947 is an equidigital number, since it uses as much as digits as its factorization.

4777762878947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13011038208, while the sum is 83.

The spelling of 4777762878947 in words is "four trillion, seven hundred seventy-seven billion, seven hundred sixty-two million, eight hundred seventy-eight thousand, nine hundred forty-seven".