7820949067 has 2 divisors, whose sum is σ = 7820949068. Its totient is φ = 7820949066.

The previous prime is 7820949047. The next prime is 7820949109. The reversal of 7820949067 is 7609490287.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7820949067 - 2³¹ = 5673465419 is a prime.

It is a super-2 number, since 2×7820949067² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7820949047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3910474533 + 3910474534.

It is an arithmetic number, because the mean of its divisors is an integer number (3910474534).

Almost surely, 2^7820949067 is an apocalyptic number.

7820949067 is a deficient number, since it is larger than the sum of its proper divisors (1).

7820949067 is an equidigital number, since it uses as much as digits as its factorization.

7820949067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 7820949067 is about 88436.1298734855. The cubic root of 7820949067 is about 1984.9663670022.

The spelling of 7820949067 in words is "seven billion, eight hundred twenty million, nine hundred forty-nine thousand, sixty-seven".