8107427429 has 4 divisors (see below), whose sum is σ = 8169316320. Its totient is φ = 8045538540.

The previous prime is 8107427423. The next prime is 8107427501. The reversal of 8107427429 is 9247247018.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8107427429 - 2²⁰ = 8106378853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8107427429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8107427423) 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, 30944249 + ... + 30944510.

It is an arithmetic number, because the mean of its divisors is an integer number (2042329080).

Almost surely, 2^8107427429 is an apocalyptic number.

It is an amenable number.

8107427429 is a deficient number, since it is larger than the sum of its proper divisors (61888891).

8107427429 is a wasteful number, since it uses less digits than its factorization.

8107427429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61888890.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 8107427429 is about 90041.2540394679. The cubic root of 8107427429 is about 2008.9125103343.

The spelling of 8107427429 in words is "eight billion, one hundred seven million, four hundred twenty-seven thousand, four hundred twenty-nine".