838766745 has 48 divisors (see below), whose sum is σ = 1519015680. Its totient is φ = 443988864.

The previous prime is 838766741. The next prime is 838766767. The reversal of 838766745 is 547667838.

It is not a de Polignac number, because 838766745 - 2² = 838766741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 838766691 and 838766700.

It is not an unprimeable number, because it can be changed into a prime (838766741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163936 + ... + 168974.

It is an arithmetic number, because the mean of its divisors is an integer number (31646160).

Almost surely, 2^838766745 is an apocalyptic number.

It is an amenable number.

838766745 is a deficient number, since it is larger than the sum of its proper divisors (680248935).

838766745 is a wasteful number, since it uses less digits than its factorization.

838766745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5196 (or 5184 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The square root of 838766745 is about 28961.4700075808. The cubic root of 838766745 is about 943.0768143708.

The spelling of 838766745 in words is "eight hundred thirty-eight million, seven hundred sixty-six thousand, seven hundred forty-five".