770520385 has 8 divisors (see below), whose sum is σ = 931683456. Its totient is φ = 611710320.

The previous prime is 770520367. The next prime is 770520391. The reversal of 770520385 is 583025077.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 770520385 - 2⁹ = 770519873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587529 + ... + 588838.

It is an arithmetic number, because the mean of its divisors is an integer number (116460432).

Almost surely, 2^770520385 is an apocalyptic number.

It is an amenable number.

770520385 is a deficient number, since it is larger than the sum of its proper divisors (161163071).

770520385 is a wasteful number, since it uses less digits than its factorization.

770520385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176503.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 770520385 is about 27758.2489541397. The cubic root of 770520385 is about 916.7720781625.

The spelling of 770520385 in words is "seven hundred seventy million, five hundred twenty thousand, three hundred eighty-five".