770851646128 has 20 divisors (see below), whose sum is σ = 1495366674088. Its totient is φ = 384950568960.

The previous prime is 770851646119. The next prime is 770851646137. The reversal of 770851646128 is 821646158077.

It is an interprime number because it is at equal distance from previous prime (770851646119) and next prime (770851646137).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29690001 + ... + 29715952.

Almost surely, 2^770851646128 is an apocalyptic number.

It is an amenable number.

770851646128 is a deficient number, since it is larger than the sum of its proper divisors (724515027960).

770851646128 is a wasteful number, since it uses less digits than its factorization.

770851646128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59406772 (or 59406766 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 770851646128 in words is "seven hundred seventy billion, eight hundred fifty-one million, six hundred forty-six thousand, one hundred twenty-eight".