78713477411 has 2 divisors, whose sum is σ = 78713477412. Its totient is φ = 78713477410.

The previous prime is 78713477399. The next prime is 78713477449. The reversal of 78713477411 is 11477431787.

It is a weak prime.

It is an emirp because it is prime and its reverse (11477431787) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78713477411 is a prime.

It is a super-2 number, since 2×78713477411² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78713477411.

It is not a weakly prime, because it can be changed into another prime (78713471411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39356738705 + 39356738706.

It is an arithmetic number, because the mean of its divisors is an integer number (39356738706).

Almost surely, 2^78713477411 is an apocalyptic number.

78713477411 is a deficient number, since it is larger than the sum of its proper divisors (1).

78713477411 is an equidigital number, since it uses as much as digits as its factorization.

78713477411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 921984, while the sum is 50.

The spelling of 78713477411 in words is "seventy-eight billion, seven hundred thirteen million, four hundred seventy-seven thousand, four hundred eleven".