766001007667 has 4 divisors (see below), whose sum is σ = 875429723056. Its totient is φ = 656572292280.

The previous prime is 766001007659. The next prime is 766001007691. The reversal of 766001007667 is 766700100667.

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 766001007667 - 2³ = 766001007659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (766001007067) 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, 54714357684 + ... + 54714357697.

It is an arithmetic number, because the mean of its divisors is an integer number (218857430764).

Almost surely, 2^766001007667 is an apocalyptic number.

766001007667 is a deficient number, since it is larger than the sum of its proper divisors (109428715389).

766001007667 is a wasteful number, since it uses less digits than its factorization.

766001007667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109428715388.

The product of its (nonzero) digits is 444528, while the sum is 46.

The spelling of 766001007667 in words is "seven hundred sixty-six billion, one million, seven thousand, six hundred sixty-seven".