8077347427 has 4 divisors (see below), whose sum is σ = 8265192760. Its totient is φ = 7889502096.

The previous prime is 8077347403. The next prime is 8077347511. The reversal of 8077347427 is 7247437708.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8077347427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8077347827) 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, 93922602 + ... + 93922687.

It is an arithmetic number, because the mean of its divisors is an integer number (2066298190).

Almost surely, 2^8077347427 is an apocalyptic number.

8077347427 is a deficient number, since it is larger than the sum of its proper divisors (187845333).

8077347427 is a wasteful number, since it uses less digits than its factorization.

8077347427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187845332.

The product of its (nonzero) digits is 1843968, while the sum is 49.

The square root of 8077347427 is about 89874.0642621663. The cubic root of 8077347427 is about 2006.4249567800.

The spelling of 8077347427 in words is "eight billion, seventy-seven million, three hundred forty-seven thousand, four hundred twenty-seven".