1942772807 has 2 divisors, whose sum is σ = 1942772808. Its totient is φ = 1942772806.

The previous prime is 1942772791. The next prime is 1942772833. The reversal of 1942772807 is 7082772491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1942772807 - 2⁴ = 1942772791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1942777807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 971386403 + 971386404.

It is an arithmetic number, because the mean of its divisors is an integer number (971386404).

Almost surely, 2^1942772807 is an apocalyptic number.

1942772807 is a deficient number, since it is larger than the sum of its proper divisors (1).

1942772807 is an equidigital number, since it uses as much as digits as its factorization.

1942772807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 395136, while the sum is 47.

The square root of 1942772807 is about 44076.8965218741. The cubic root of 1942772807 is about 1247.7876187656.

The spelling of 1942772807 in words is "one billion, nine hundred forty-two million, seven hundred seventy-two thousand, eight hundred seven".