766275967 has 4 divisors (see below), whose sum is σ = 770126800. Its totient is φ = 762425136.

The previous prime is 766275959. The next prime is 766275971. The reversal of 766275967 is 769572667.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 769572667 = 53 ⋅14520239.

It is a cyclic number.

It is not a de Polignac number, because 766275967 - 2³ = 766275959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766275977) 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 3 ways as a sum of consecutive naturals, for example, 1925118 + ... + 1925515.

It is an arithmetic number, because the mean of its divisors is an integer number (192531700).

Almost surely, 2^766275967 is an apocalyptic number.

766275967 is a deficient number, since it is larger than the sum of its proper divisors (3850833).

766275967 is a wasteful number, since it uses less digits than its factorization.

766275967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850832.

The product of its digits is 6667920, while the sum is 55.

The square root of 766275967 is about 27681.6901037491. The cubic root of 766275967 is about 915.0856288621.

The spelling of 766275967 in words is "seven hundred sixty-six million, two hundred seventy-five thousand, nine hundred sixty-seven".