770771836 has 12 divisors (see below), whose sum is σ = 1349119912. Its totient is φ = 385309008.

The previous prime is 770771821. The next prime is 770771839. The reversal of 770771836 is 638177077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770771839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7426 + ... + 39958.

Almost surely, 2^770771836 is an apocalyptic number.

It is an amenable number.

770771836 is a deficient number, since it is larger than the sum of its proper divisors (578348076).

770771836 is a wasteful number, since it uses less digits than its factorization.

770771836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38460 (or 38458 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 46.

The square root of 770771836 is about 27762.7778869478. Note that the first 3 decimals coincide. The cubic root of 770771836 is about 916.8717935360.

The spelling of 770771836 in words is "seven hundred seventy million, seven hundred seventy-one thousand, eight hundred thirty-six".