42167797 has 4 divisors (see below), whose sum is σ = 48191776. Its totient is φ = 36143820.

The previous prime is 42167791. The next prime is 42167819. The reversal of 42167797 is 79776124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42167797 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 (42167791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3011979 + ... + 3011992.

It is an arithmetic number, because the mean of its divisors is an integer number (12047944).

Almost surely, 2^42167797 is an apocalyptic number.

It is an amenable number.

42167797 is a deficient number, since it is larger than the sum of its proper divisors (6023979).

42167797 is an equidigital number, since it uses as much as digits as its factorization.

42167797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6023978.

The product of its digits is 148176, while the sum is 43.

The square root of 42167797 is about 6493.6736136027. The cubic root of 42167797 is about 348.0649595783.

The spelling of 42167797 in words is "forty-two million, one hundred sixty-seven thousand, seven hundred ninety-seven".