830361855 has 32 divisors (see below), whose sum is σ = 1419228864. Its totient is φ = 413106176.

The previous prime is 830361817. The next prime is 830361859. The reversal of 830361855 is 558163038.

It is a Cunningham number, because it is equal to 28816²-1.

It is a cyclic number.

It is not a de Polignac number, because 830361855 - 2¹¹ = 830359807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830361859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14407 + ... + 43223.

It is an arithmetic number, because the mean of its divisors is an integer number (44350902).

Almost surely, 2^830361855 is an apocalyptic number.

830361855 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

830361855 is a deficient number, since it is larger than the sum of its proper divisors (588867009).

830361855 is a wasteful number, since it uses less digits than its factorization.

830361855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28955.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 830361855 is about 28815.9999826485. Note that the first 4 decimals coincide. The cubic root of 830361855 is about 939.9161895248.

The spelling of 830361855 in words is "eight hundred thirty million, three hundred sixty-one thousand, eight hundred fifty-five".