766877161 has 8 divisors (see below), whose sum is σ = 786570624. Its totient is φ = 747230880.

The previous prime is 766877141. The next prime is 766877171. The reversal of 766877161 is 161778667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 766877161 - 2⁵ = 766877129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766877141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22380 + ... + 45106.

It is an arithmetic number, because the mean of its divisors is an integer number (98321328).

Almost surely, 2^766877161 is an apocalyptic number.

It is an amenable number.

766877161 is a deficient number, since it is larger than the sum of its proper divisors (19693463).

766877161 is a wasteful number, since it uses less digits than its factorization.

766877161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23591.

The product of its digits is 592704, while the sum is 49.

The square root of 766877161 is about 27692.5470298418. The cubic root of 766877161 is about 915.3248812991.

The spelling of 766877161 in words is "seven hundred sixty-six million, eight hundred seventy-seven thousand, one hundred sixty-one".