827100051 has 16 divisors (see below), whose sum is σ = 1117054080. Its totient is φ = 544294080.

The previous prime is 827100047. The next prime is 827100061. The reversal of 827100051 is 150001728.

It is not a de Polignac number, because 827100051 - 2² = 827100047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 827099994 and 827100030.

It is not an unprimeable number, because it can be changed into a prime (827100061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182256 + ... + 186738.

It is an arithmetic number, because the mean of its divisors is an integer number (69815880).

Almost surely, 2^827100051 is an apocalyptic number.

827100051 is a deficient number, since it is larger than the sum of its proper divisors (289954029).

827100051 is a wasteful number, since it uses less digits than its factorization.

827100051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 827100051 is about 28759.3471935647. The cubic root of 827100051 is about 938.6838570942.

Adding to 827100051 its reverse (150001728), we get a palindrome (977101779).

The spelling of 827100051 in words is "eight hundred twenty-seven million, one hundred thousand, fifty-one".