7669319894 has 4 divisors (see below), whose sum is σ = 11503979844. Its totient is φ = 3834659946.

The previous prime is 7669319891. The next prime is 7669319899. The reversal of 7669319894 is 4989139667.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4989139667 = 73 ⋅68344379.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7669319891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1917329972 + ... + 1917329975.

It is an arithmetic number, because the mean of its divisors is an integer number (2875994961).

Almost surely, 2^7669319894 is an apocalyptic number.

7669319894 is a deficient number, since it is larger than the sum of its proper divisors (3834659950).

7669319894 is a wasteful number, since it uses less digits than its factorization.

7669319894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3834659949.

The product of its digits is 17635968, while the sum is 62.

The square root of 7669319894 is about 87574.6532622311. The cubic root of 7669319894 is about 1972.0546724731.

The spelling of 7669319894 in words is "seven billion, six hundred sixty-nine million, three hundred nineteen thousand, eight hundred ninety-four".