42057179999 has 8 divisors (see below), whose sum is σ = 43353439488. Its totient is φ = 40777646680.

The previous prime is 42057179963. The next prime is 42057180007. The reversal of 42057179999 is 99997175024.

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 42057179999 - 2²⁴ = 42040402783 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 (42057179909) 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, 4176437 + ... + 4186494.

It is an arithmetic number, because the mean of its divisors is an integer number (5419179936).

Almost surely, 2^42057179999 is an apocalyptic number.

42057179999 is a deficient number, since it is larger than the sum of its proper divisors (1296259489).

42057179999 is a wasteful number, since it uses less digits than its factorization.

42057179999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8363085.

The product of its (nonzero) digits is 12859560, while the sum is 62.

The spelling of 42057179999 in words is "forty-two billion, fifty-seven million, one hundred seventy-nine thousand, nine hundred ninety-nine".