7958806766 has 4 divisors (see below), whose sum is σ = 11938210152. Its totient is φ = 3979403382.

The previous prime is 7958806721. The next prime is 7958806769. The reversal of 7958806766 is 6676088597.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 7958806699 and 7958806708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7958806769) 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, 1989701690 + ... + 1989701693.

It is an arithmetic number, because the mean of its divisors is an integer number (2984552538).

Almost surely, 2^7958806766 is an apocalyptic number.

7958806766 is a deficient number, since it is larger than the sum of its proper divisors (3979403386).

7958806766 is a wasteful number, since it uses less digits than its factorization.

7958806766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979403385.

The product of its (nonzero) digits is 30481920, while the sum is 62.

The square root of 7958806766 is about 89212.1447225657. The cubic root of 7958806766 is about 1996.5613216339.

The spelling of 7958806766 in words is "seven billion, nine hundred fifty-eight million, eight hundred six thousand, seven hundred sixty-six".