766472766587 has 4 divisors (see below), whose sum is σ = 836152109016. Its totient is φ = 696793424160.

The previous prime is 766472766583. The next prime is 766472766679. The reversal of 766472766587 is 785667274667.

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 766472766587 - 2² = 766472766583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 766472766587.

It is not an unprimeable number, because it can be changed into a prime (766472766583) 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, 34839671198 + ... + 34839671219.

It is an arithmetic number, because the mean of its divisors is an integer number (209038027254).

Almost surely, 2^766472766587 is an apocalyptic number.

766472766587 is a deficient number, since it is larger than the sum of its proper divisors (69679342429).

766472766587 is a wasteful number, since it uses less digits than its factorization.

766472766587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69679342428.

The product of its digits is 995742720, while the sum is 71.

The spelling of 766472766587 in words is "seven hundred sixty-six billion, four hundred seventy-two million, seven hundred sixty-six thousand, five hundred eighty-seven".