766687352068 has 108 divisors (see below), whose sum is σ = 1578990300160. Its totient is φ = 325404414720.

The previous prime is 766687352059. The next prime is 766687352083. The reversal of 766687352068 is 860253786667.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17742673 + ... + 17785831.

Almost surely, 2^766687352068 is an apocalyptic number.

It is an amenable number.

766687352068 is an abundant number, since it is smaller than the sum of its proper divisors (812302948092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

766687352068 is a wasteful number, since it uses less digits than its factorization.

766687352068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43346 (or 43316 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 64.

The spelling of 766687352068 in words is "seven hundred sixty-six billion, six hundred eighty-seven million, three hundred fifty-two thousand, sixty-eight".