8274142427 has 4 divisors (see below), whose sum is σ = 8497767936. Its totient is φ = 8050516920.

The previous prime is 8274142423. The next prime is 8274142433. The reversal of 8274142427 is 7242414728.

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

It is a cyclic number.

It is not a de Polignac number, because 8274142427 - 2² = 8274142423 is a prime.

It is a super-2 number, since 2×8274142427² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8274142423) 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, 111812699 + ... + 111812772.

It is an arithmetic number, because the mean of its divisors is an integer number (2124441984).

Almost surely, 2^8274142427 is an apocalyptic number.

8274142427 is a deficient number, since it is larger than the sum of its proper divisors (223625509).

8274142427 is a wasteful number, since it uses less digits than its factorization.

8274142427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223625508.

The product of its digits is 200704, while the sum is 41.

The square root of 8274142427 is about 90962.3132236642. The cubic root of 8274142427 is about 2022.5891078129.

The spelling of 8274142427 in words is "eight billion, two hundred seventy-four million, one hundred forty-two thousand, four hundred twenty-seven".