827861377 has 8 divisors (see below), whose sum is σ = 946368000. Its totient is φ = 709414944.

The previous prime is 827861323. The next prime is 827861383. The reversal of 827861377 is 773168728.

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

It is not a de Polignac number, because 827861377 - 2²³ = 819472769 is a prime.

It is a super-2 number, since 2×827861377² = 1370708919056672258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 827861377.

It is not an unprimeable number, because it can be changed into a prime (827861387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19824 + ... + 45262.

It is an arithmetic number, because the mean of its divisors is an integer number (118296000).

Almost surely, 2^827861377 is an apocalyptic number.

It is an amenable number.

827861377 is a deficient number, since it is larger than the sum of its proper divisors (118506623).

827861377 is a wasteful number, since it uses less digits than its factorization.

827861377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30095.

The product of its digits is 790272, while the sum is 49.

The square root of 827861377 is about 28772.5802979156. The cubic root of 827861377 is about 938.9717808531.

The spelling of 827861377 in words is "eight hundred twenty-seven million, eight hundred sixty-one thousand, three hundred seventy-seven".