828029427 has 8 divisors (see below), whose sum is σ = 1107808464. Its totient is φ = 550135008.

The previous prime is 828029413. The next prime is 828029429. The reversal of 828029427 is 724920828.

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

It is a de Polignac number, because none of the positive numbers 2^k-828029427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (828029429) 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, 470128 + ... + 471885.

It is an arithmetic number, because the mean of its divisors is an integer number (138476058).

Almost surely, 2^828029427 is an apocalyptic number.

828029427 is a deficient number, since it is larger than the sum of its proper divisors (279779037).

828029427 is a wasteful number, since it uses less digits than its factorization.

828029427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942309.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 828029427 is about 28775.5004648051. The cubic root of 828029427 is about 939.0353114297.

It can be divided in two parts, 82802 and 9427, that added together give a palindrome (92229).

The spelling of 828029427 in words is "eight hundred twenty-eight million, twenty-nine thousand, four hundred twenty-seven".