827412421 has 8 divisors (see below), whose sum is σ = 903146688. Its totient is φ = 751764000.

The previous prime is 827412403. The next prime is 827412449. The reversal of 827412421 is 124214728.

827412421 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 cyclic number.

It is not a de Polignac number, because 827412421 - 2⁹ = 827411909 is a prime.

It is a super-2 number, since 2×827412421² = 1369222628850162482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827412461) 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, 400 + ... + 40681.

It is an arithmetic number, because the mean of its divisors is an integer number (112893336).

Almost surely, 2^827412421 is an apocalyptic number.

It is an amenable number.

827412421 is a deficient number, since it is larger than the sum of its proper divisors (75734267).

827412421 is a wasteful number, since it uses less digits than its factorization.

827412421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42923.

The product of its digits is 7168, while the sum is 31.

The square root of 827412421 is about 28764.7774369975. Note that the first 3 decimals coincide. The cubic root of 827412421 is about 938.8020128001.

The spelling of 827412421 in words is "eight hundred twenty-seven million, four hundred twelve thousand, four hundred twenty-one".