770940871 has 4 divisors (see below), whose sum is σ = 816290352. Its totient is φ = 725591392.

The previous prime is 770940857. The next prime is 770940923. The reversal of 770940871 is 178049077.

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 770940871 - 2⁷ = 770940743 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 (770940811) 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, 22674715 + ... + 22674748.

It is an arithmetic number, because the mean of its divisors is an integer number (204072588).

Almost surely, 2^770940871 is an apocalyptic number.

770940871 is a deficient number, since it is larger than the sum of its proper divisors (45349481).

770940871 is a wasteful number, since it uses less digits than its factorization.

770940871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45349480.

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 770940871 is about 27765.8219939551. The cubic root of 770940871 is about 916.9388138431.

The spelling of 770940871 in words is "seven hundred seventy million, nine hundred forty thousand, eight hundred seventy-one".