827601331 has 4 divisors (see below), whose sum is σ = 827873200. Its totient is φ = 827329464.

The previous prime is 827601287. The next prime is 827601343. The reversal of 827601331 is 133106728.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 827601331 - 2⁹ = 827600819 is a prime.

It is a super-2 number, since 2×827601331² = 1369847926145943122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 827601293 and 827601302.

It is not an unprimeable number, because it can be changed into a prime (827602331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131316 + ... + 137473.

It is an arithmetic number, because the mean of its divisors is an integer number (206968300).

Almost surely, 2^827601331 is an apocalyptic number.

827601331 is a deficient number, since it is larger than the sum of its proper divisors (271869).

827601331 is a wasteful number, since it uses less digits than its factorization.

827601331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271868.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 827601331 is about 28768.0609530778. The cubic root of 827601331 is about 938.8734546383.

The spelling of 827601331 in words is "eight hundred twenty-seven million, six hundred one thousand, three hundred thirty-one".