42421061087 has 8 divisors (see below), whose sum is σ = 43243317936. Its totient is φ = 41599613952.

The previous prime is 42421061083. The next prime is 42421061101. The reversal of 42421061087 is 78016012424.

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

It is a cyclic number.

It is not a de Polignac number, because 42421061087 - 2² = 42421061083 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 (42421061083) 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, 96098 + ... + 306719.

It is an arithmetic number, because the mean of its divisors is an integer number (5405414742).

Almost surely, 2^42421061087 is an apocalyptic number.

42421061087 is a deficient number, since it is larger than the sum of its proper divisors (822256849).

42421061087 is a wasteful number, since it uses less digits than its factorization.

42421061087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404857.

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 42421061087 in words is "forty-two billion, four hundred twenty-one million, sixty-one thousand, eighty-seven".