838279755 has 12 divisors (see below), whose sum is σ = 1453018320. Its totient is φ = 447082512.

The previous prime is 838279703. The next prime is 838279759. The reversal of 838279755 is 557972838.

It is not a de Polignac number, because 838279755 - 2⁶ = 838279691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (838279759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9314175 + ... + 9314264.

It is an arithmetic number, because the mean of its divisors is an integer number (121084860).

Almost surely, 2^838279755 is an apocalyptic number.

838279755 is a deficient number, since it is larger than the sum of its proper divisors (614738565).

838279755 is a wasteful number, since it uses less digits than its factorization.

838279755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18628450 (or 18628447 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The square root of 838279755 is about 28953.0612371127. The cubic root of 838279755 is about 942.8942614765.

The spelling of 838279755 in words is "eight hundred thirty-eight million, two hundred seventy-nine thousand, seven hundred fifty-five".