42815327799 has 32 divisors (see below), whose sum is σ = 57964480000. Its totient is φ = 28109182464.

The previous prime is 42815327773. The next prime is 42815327869. The reversal of 42815327799 is 99772351824.

It is a happy number.

It is not a de Polignac number, because 42815327799 - 2¹² = 42815323703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42815327699) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37922667 + ... + 37923795.

It is an arithmetic number, because the mean of its divisors is an integer number (1811390000).

Almost surely, 2^42815327799 is an apocalyptic number.

42815327799 is a deficient number, since it is larger than the sum of its proper divisors (15149152201).

42815327799 is a wasteful number, since it uses less digits than its factorization.

42815327799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927.

The product of its digits is 7620480, while the sum is 57.

The spelling of 42815327799 in words is "forty-two billion, eight hundred fifteen million, three hundred twenty-seven thousand, seven hundred ninety-nine".