770671385 has 24 divisors (see below), whose sum is σ = 1019729088. Its totient is φ = 558720800.

The previous prime is 770671367. The next prime is 770671397. The reversal of 770671385 is 583176077.

It is not a de Polignac number, because 770671385 - 2²⁰ = 769622809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 208100 + ... + 211770.

It is an arithmetic number, because the mean of its divisors is an integer number (42488712).

Almost surely, 2^770671385 is an apocalyptic number.

It is an amenable number.

770671385 is a deficient number, since it is larger than the sum of its proper divisors (249057703).

770671385 is a wasteful number, since it uses less digits than its factorization.

770671385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045 (or 4034 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 44.

The square root of 770671385 is about 27760.9687330972. The cubic root of 770671385 is about 916.8319613032.

The spelling of 770671385 in words is "seven hundred seventy million, six hundred seventy-one thousand, three hundred eighty-five".