8042688437 has 8 divisors (see below), whose sum is σ = 9246685056. Its totient is φ = 6852452112.

The previous prime is 8042688421. The next prime is 8042688439. The reversal of 8042688437 is 7348862408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8042688437 - 2⁴ = 8042688421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8042688439) 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, 3438818 + ... + 3441155.

It is an arithmetic number, because the mean of its divisors is an integer number (1155835632).

Almost surely, 2^8042688437 is an apocalyptic number.

It is an amenable number.

8042688437 is a deficient number, since it is larger than the sum of its proper divisors (1203996619).

8042688437 is a wasteful number, since it uses less digits than its factorization.

8042688437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6880147.

The product of its (nonzero) digits is 2064384, while the sum is 50.

The square root of 8042688437 is about 89681.0372208083. The cubic root of 8042688437 is about 2003.5510610013.

The spelling of 8042688437 in words is "eight billion, forty-two million, six hundred eighty-eight thousand, four hundred thirty-seven".