7669779667 has 8 divisors (see below), whose sum is σ = 8561615040. Its totient is φ = 6810374760.

The previous prime is 7669779631. The next prime is 7669779697.

7669779667 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7669779667 - 2²⁷ = 7535561939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7669779596 and 7669779605.

It is not an unprimeable number, because it can be changed into a prime (7669779697) 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 in 7 ways as a sum of consecutive naturals, for example, 8107117 + ... + 8108062.

It is an arithmetic number, because the mean of its divisors is an integer number (1070201880).

Almost surely, 2^7669779667 is an apocalyptic number.

7669779667 is a deficient number, since it is larger than the sum of its proper divisors (891835373).

7669779667 is a wasteful number, since it uses less digits than its factorization.

7669779667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16215233.

The product of its digits is 252047376, while the sum is 70.

The square root of 7669779667 is about 87577.2782575481. The cubic root of 7669779667 is about 1972.0940796778.

The spelling of 7669779667 in words is "seven billion, six hundred sixty-nine million, seven hundred seventy-nine thousand, six hundred sixty-seven".