830827557 has 32 divisors (see below), whose sum is σ = 1430553600. Its totient is φ = 466705584.

The previous prime is 830827499. The next prime is 830827579. The reversal of 830827557 is 755728038.

It is not a de Polignac number, because 830827557 - 2²² = 826633253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830827957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26103 + ... + 48404.

It is an arithmetic number, because the mean of its divisors is an integer number (44704800).

Almost surely, 2^830827557 is an apocalyptic number.

It is an amenable number.

830827557 is a deficient number, since it is larger than the sum of its proper divisors (599726043).

830827557 is a wasteful number, since it uses less digits than its factorization.

830827557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74582 (or 74576 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 830827557 is about 28824.0794649196. The cubic root of 830827557 is about 940.0918715849.

The spelling of 830827557 in words is "eight hundred thirty million, eight hundred twenty-seven thousand, five hundred fifty-seven".