838261755 has 48 divisors (see below), whose sum is σ = 1546781184. Its totient is φ = 418498560.

The previous prime is 838261747. The next prime is 838261799. The reversal of 838261755 is 557162838.

It is not a de Polignac number, because 838261755 - 2³ = 838261747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 838261755.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 143247 + ... + 148983.

It is an arithmetic number, because the mean of its divisors is an integer number (32224608).

Almost surely, 2^838261755 is an apocalyptic number.

838261755 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

838261755 is a deficient number, since it is larger than the sum of its proper divisors (708519429).

838261755 is a wasteful number, since it uses less digits than its factorization.

838261755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5956 (or 5953 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 838261755 is about 28952.7503874848. The cubic root of 838261755 is about 942.8875126483.

The spelling of 838261755 in words is "eight hundred thirty-eight million, two hundred sixty-one thousand, seven hundred fifty-five".