828663366827 has 8 divisors (see below), whose sum is σ = 897813115056. Its totient is φ = 761780823552.

The previous prime is 828663366823. The next prime is 828663366841. The reversal of 828663366827 is 728663366828.

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

It is a cyclic number.

It is not a de Polignac number, because 828663366827 - 2² = 828663366823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (828663366823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566800478 + ... + 566801939.

It is an arithmetic number, because the mean of its divisors is an integer number (112226639382).

Almost surely, 2^828663366827 is an apocalyptic number.

828663366827 is a deficient number, since it is larger than the sum of its proper divisors (69149748229).

828663366827 is a wasteful number, since it uses less digits than its factorization.

828663366827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133602477.

The product of its digits is 167215104, while the sum is 65.

Subtracting from 828663366827 its reverse (728663366828), we obtain a palindrome (99999999999).

The spelling of 828663366827 in words is "eight hundred twenty-eight billion, six hundred sixty-three million, three hundred sixty-six thousand, eight hundred twenty-seven".