766898898667 has 12 divisors (see below), whose sum is σ = 863514871128. Its totient is φ = 680176402400.

The previous prime is 766898898641. The next prime is 766898898683.

766898898667 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 766898898667 - 2¹¹ = 766898896619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766898898637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77287813 + ... + 77297734.

It is an arithmetic number, because the mean of its divisors is an integer number (71959572594).

Almost surely, 2^766898898667 is an apocalyptic number.

766898898667 is a deficient number, since it is larger than the sum of its proper divisors (96615972461).

766898898667 is a wasteful number, since it uses less digits than its factorization.

766898898667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154585610 (or 154585599 counting only the distinct ones).

The product of its digits is 21069103104, while the sum is 88.

The spelling of 766898898667 in words is "seven hundred sixty-six billion, eight hundred ninety-eight million, eight hundred ninety-eight thousand, six hundred sixty-seven".