6423089787 has 12 divisors (see below), whose sum is σ = 9823549320. Its totient is φ = 4030173888.

The previous prime is 6423089741. The next prime is 6423089789. The reversal of 6423089787 is 7879803246.

It is not a de Polignac number, because 6423089787 - 2¹⁵ = 6423057019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6423089789) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20990337 + ... + 20990642.

It is an arithmetic number, because the mean of its divisors is an integer number (818629110).

Almost surely, 2^6423089787 is an apocalyptic number.

6423089787 is a deficient number, since it is larger than the sum of its proper divisors (3400459533).

6423089787 is a wasteful number, since it uses less digits than its factorization.

6423089787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41981002 (or 41980999 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The square root of 6423089787 is about 80144.1812423085. The cubic root of 6423089787 is about 1858.8656307233.

The spelling of 6423089787 in words is "six billion, four hundred twenty-three million, eighty-nine thousand, seven hundred eighty-seven".