8327592421 has 4 divisors (see below), whose sum is σ = 8328366700. Its totient is φ = 8326818144.

The previous prime is 8327592419. The next prime is 8327592473. The reversal of 8327592421 is 1242957238.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3159564100 + 5168028321 = 56210^2 + 71889^2 .

It is a cyclic number.

It is not a de Polignac number, because 8327592421 - 2¹ = 8327592419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8327592401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370776 + ... + 392593.

It is an arithmetic number, because the mean of its divisors is an integer number (2082091675).

Almost surely, 2^8327592421 is an apocalyptic number.

It is an amenable number.

8327592421 is a deficient number, since it is larger than the sum of its proper divisors (774279).

8327592421 is a wasteful number, since it uses less digits than its factorization.

8327592421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774278.

The product of its digits is 241920, while the sum is 43.

The square root of 8327592421 is about 91255.6432282410. The cubic root of 8327592421 is about 2026.9349930601.

The spelling of 8327592421 in words is "eight billion, three hundred twenty-seven million, five hundred ninety-two thousand, four hundred twenty-one".