42882611887217 has 4 divisors (see below), whose sum is σ = 45405118468836. Its totient is φ = 40360105305600.

The previous prime is 42882611887207. The next prime is 42882611887261. The reversal of 42882611887217 is 71278811628824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33059176583521 + 9823435303696 = 5749711^2 + 3134236^2 .

It is a cyclic number.

It is not a de Polignac number, because 42882611887217 - 2²⁴ = 42882595110001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42882611887207) 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, 1261253290784 + ... + 1261253290817.

It is an arithmetic number, because the mean of its divisors is an integer number (11351279617209).

Almost surely, 2^{42882611887217} is an apocalyptic number.

It is an amenable number.

42882611887217 is a deficient number, since it is larger than the sum of its proper divisors (2522506581619).

42882611887217 is a wasteful number, since it uses less digits than its factorization.

42882611887217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522506581618.

The product of its digits is 38535168, while the sum is 65.

The spelling of 42882611887217 in words is "forty-two trillion, eight hundred eighty-two billion, six hundred eleven million, eight hundred eighty-seven thousand, two hundred seventeen".