2838478847977 has 2 divisors, whose sum is σ = 2838478847978. Its totient is φ = 2838478847976.

The previous prime is 2838478847969. The next prime is 2838478848031. The reversal of 2838478847977 is 7797488748382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1522906551721 + 1315572296256 = 1234061^2 + 1146984^2 .

It is a cyclic number.

It is not a de Polignac number, because 2838478847977 - 2³ = 2838478847969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2838478847977.

It is not a weakly prime, because it can be changed into another prime (2838478847917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1419239423988 + 1419239423989.

It is an arithmetic number, because the mean of its divisors is an integer number (1419239423989).

Almost surely, 2^{2838478847977} is an apocalyptic number.

It is an amenable number.

2838478847977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2838478847977 is an equidigital number, since it uses as much as digits as its factorization.

2838478847977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8497004544, while the sum is 82.

The spelling of 2838478847977 in words is "two trillion, eight hundred thirty-eight billion, four hundred seventy-eight million, eight hundred forty-seven thousand, nine hundred seventy-seven".