42170923798 has 24 divisors (see below), whose sum is σ = 66853222128. Its totient is φ = 19913267088.

The previous prime is 42170923763. The next prime is 42170923813. The reversal of 42170923798 is 89732907124.

42170923798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×42170923798³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213640 + ... + 360532.

It is an arithmetic number, because the mean of its divisors is an integer number (2785550922).

Almost surely, 2^42170923798 is an apocalyptic number.

42170923798 is a deficient number, since it is larger than the sum of its proper divisors (24682298330).

42170923798 is a wasteful number, since it uses less digits than its factorization.

42170923798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147076 (or 146997 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 42170923798 in words is "forty-two billion, one hundred seventy million, nine hundred twenty-three thousand, seven hundred ninety-eight".