42685107087 has 32 divisors (see below), whose sum is σ = 67812484608. Its totient is φ = 23374705536.

The previous prime is 42685107041. The next prime is 42685107089. The reversal of 42685107087 is 78070158624.

It is not a de Polignac number, because 42685107087 - 2¹² = 42685102991 is a prime.

It is a super-3 number, since 3×42685107087³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42685107089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 398088 + ... + 493805.

It is an arithmetic number, because the mean of its divisors is an integer number (2119140144).

Almost surely, 2^42685107087 is an apocalyptic number.

42685107087 is a deficient number, since it is larger than the sum of its proper divisors (25127377521).

42685107087 is a wasteful number, since it uses less digits than its factorization.

42685107087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891999.

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 42685107087 in words is "forty-two billion, six hundred eighty-five million, one hundred seven thousand, eighty-seven".