42417627187 has 16 divisors (see below), whose sum is σ = 46167388960. Its totient is φ = 38738476800.

The previous prime is 42417627149. The next prime is 42417627191. The reversal of 42417627187 is 78172671424.

It is a cyclic number.

It is not a de Polignac number, because 42417627187 - 2¹⁵ = 42417594419 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 42417627187.

It is not an unprimeable number, because it can be changed into a prime (42417627107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 957487 + ... + 1000807.

It is an arithmetic number, because the mean of its divisors is an integer number (2885461810).

Almost surely, 2^42417627187 is an apocalyptic number.

42417627187 is a deficient number, since it is larger than the sum of its proper divisors (3749761773).

42417627187 is a wasteful number, since it uses less digits than its factorization.

42417627187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44134.

The product of its digits is 1053696, while the sum is 49.

The spelling of 42417627187 in words is "forty-two billion, four hundred seventeen million, six hundred twenty-seven thousand, one hundred eighty-seven".