766020667 has 4 divisors (see below), whose sum is σ = 769989880. Its totient is φ = 762051456.

The previous prime is 766020653. The next prime is 766020683.

766020667 is nontrivially palindromic in base 10.

766020667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 766020667 - 2⁷ = 766020539 is a prime.

It is a super-2 number, since 2×766020667² = 1173575324542249778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766020637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1984317 + ... + 1984702.

It is an arithmetic number, because the mean of its divisors is an integer number (192497470).

Almost surely, 2^766020667 is an apocalyptic number.

766020667 is a deficient number, since it is larger than the sum of its proper divisors (3969213).

766020667 is a wasteful number, since it uses less digits than its factorization.

766020667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3969212.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 766020667 is about 27677.0783682093. The cubic root of 766020667 is about 914.9839912793.

The spelling of 766020667 in words is "seven hundred sixty-six million, twenty thousand, six hundred sixty-seven".