827820742 has 8 divisors (see below), whose sum is σ = 1419121296. Its totient is φ = 354780312.

The previous prime is 827820667. The next prime is 827820757. The reversal of 827820742 is 247028728.

827820742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 827820695 and 827820704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29565013 + ... + 29565040.

It is an arithmetic number, because the mean of its divisors is an integer number (177390162).

Almost surely, 2^827820742 is an apocalyptic number.

827820742 is a deficient number, since it is larger than the sum of its proper divisors (591300554).

827820742 is a wasteful number, since it uses less digits than its factorization.

827820742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59130062.

The product of its (nonzero) digits is 100352, while the sum is 40.

The square root of 827820742 is about 28771.8741482024. The cubic root of 827820742 is about 938.9564176761.

The spelling of 827820742 in words is "eight hundred twenty-seven million, eight hundred twenty thousand, seven hundred forty-two".