42777700783 has 2 divisors, whose sum is σ = 42777700784. Its totient is φ = 42777700782.

The previous prime is 42777700751. The next prime is 42777700789. The reversal of 42777700783 is 38700777724.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42777700783 - 2⁵ = 42777700751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42777700783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42777700789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21388850391 + 21388850392.

It is an arithmetic number, because the mean of its divisors is an integer number (21388850392).

Almost surely, 2^42777700783 is an apocalyptic number.

42777700783 is a deficient number, since it is larger than the sum of its proper divisors (1).

42777700783 is an equidigital number, since it uses as much as digits as its factorization.

42777700783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3226944, while the sum is 52.

The spelling of 42777700783 in words is "forty-two billion, seven hundred seventy-seven million, seven hundred thousand, seven hundred eighty-three".