827421419 has 8 divisors (see below), whose sum is σ = 904442112. Its totient is φ = 750700840.

The previous prime is 827421377. The next prime is 827421449. The reversal of 827421419 is 914124728.

It is a happy number.

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 827421419 - 2¹⁶ = 827355883 is a prime.

It is a super-2 number, since 2×827421419² = 1369252409239947122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (827421449) 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, 69239 + ... + 80304.

It is an arithmetic number, because the mean of its divisors is an integer number (113055264).

Almost surely, 2^827421419 is an apocalyptic number.

827421419 is a deficient number, since it is larger than the sum of its proper divisors (77020693).

827421419 is a wasteful number, since it uses less digits than its factorization.

827421419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150057.

The product of its digits is 32256, while the sum is 38.

The square root of 827421419 is about 28764.9338431362. The cubic root of 827421419 is about 938.8054159034.

The spelling of 827421419 in words is "eight hundred twenty-seven million, four hundred twenty-one thousand, four hundred nineteen".