42776799071 has 2 divisors, whose sum is σ = 42776799072. Its totient is φ = 42776799070.

The previous prime is 42776799019. The next prime is 42776799137. The reversal of 42776799071 is 17099767724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42776799071 - 2⁶ = 42776799007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42776799071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42776759071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21388399535 + 21388399536.

It is an arithmetic number, because the mean of its divisors is an integer number (21388399536).

Almost surely, 2^42776799071 is an apocalyptic number.

42776799071 is a deficient number, since it is larger than the sum of its proper divisors (1).

42776799071 is an equidigital number, since it uses as much as digits as its factorization.

42776799071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9335088, while the sum is 59.

The spelling of 42776799071 in words is "forty-two billion, seven hundred seventy-six million, seven hundred ninety-nine thousand, seventy-one".