7867427434 has 16 divisors (see below), whose sum is σ = 12124888776. Its totient is φ = 3826368000.

The previous prime is 7867427423. The next prime is 7867427437. The reversal of 7867427434 is 4347247687.

It can be written as a sum of positive squares in 4 ways, for example, as 3203220409 + 4664207025 = 56597^2 + 68295^2 .

It is not an unprimeable number, because it can be changed into a prime (7867427437) 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, 114717 + ... + 169984.

Almost surely, 2^7867427434 is an apocalyptic number.

7867427434 is a deficient number, since it is larger than the sum of its proper divisors (4257461342).

7867427434 is a wasteful number, since it uses less digits than its factorization.

7867427434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285081.

The product of its digits is 6322176, while the sum is 52.

The square root of 7867427434 is about 88698.5199087335. The cubic root of 7867427434 is about 1988.8906920614.

The spelling of 7867427434 in words is "seven billion, eight hundred sixty-seven million, four hundred twenty-seven thousand, four hundred thirty-four".