42417987279 has 8 divisors (see below), whose sum is σ = 56564850480. Its totient is φ = 28274891136.

The previous prime is 42417987259. The next prime is 42417987281. The reversal of 42417987279 is 97278971424.

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

It is not a de Polignac number, because 42417987279 - 2⁵ = 42417987247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42417987259) 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, 915384 + ... + 960605.

It is an arithmetic number, because the mean of its divisors is an integer number (7070606310).

Almost surely, 2^42417987279 is an apocalyptic number.

42417987279 is a deficient number, since it is larger than the sum of its proper divisors (14146863201).

42417987279 is a wasteful number, since it uses less digits than its factorization.

42417987279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883529.

The product of its digits is 14224896, while the sum is 60.

The spelling of 42417987279 in words is "forty-two billion, four hundred seventeen million, nine hundred eighty-seven thousand, two hundred seventy-nine".