755863385 has 4 divisors (see below), whose sum is σ = 907036068. Its totient is φ = 604690704.

The previous prime is 755863357. The next prime is 755863393. The reversal of 755863385 is 583368557.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 583368557 = 8423 ⋅69259.

It can be written as a sum of positive squares in 2 ways, for example, as 325549849 + 430313536 = 18043^2 + 20744^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-755863385 is a prime.

It is a Duffinian number.

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, 75586334 + ... + 75586343.

It is an arithmetic number, because the mean of its divisors is an integer number (226759017).

Almost surely, 2^755863385 is an apocalyptic number.

It is an amenable number.

755863385 is a deficient number, since it is larger than the sum of its proper divisors (151172683).

755863385 is a wasteful number, since it uses less digits than its factorization.

755863385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151172682.

The product of its digits is 3024000, while the sum is 50.

The square root of 755863385 is about 27492.9697377348. The cubic root of 755863385 is about 910.9218147646.

The spelling of 755863385 in words is "seven hundred fifty-five million, eight hundred sixty-three thousand, three hundred eighty-five".