42196777 has 8 divisors (see below), whose sum is σ = 50763200. Its totient is φ = 34264944.

The previous prime is 42196757. The next prime is 42196783. The reversal of 42196777 is 77769124.

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

It is not a de Polignac number, because 42196777 - 2¹⁹ = 41672489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42196727) 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, 158502 + ... + 158767.

It is an arithmetic number, because the mean of its divisors is an integer number (6345400).

Almost surely, 2^42196777 is an apocalyptic number.

It is an amenable number.

42196777 is a deficient number, since it is larger than the sum of its proper divisors (8566423).

42196777 is a wasteful number, since it uses less digits than its factorization.

42196777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317295.

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

The square root of 42196777 is about 6495.9046329207. The cubic root of 42196777 is about 348.1446776995.

The spelling of 42196777 in words is "forty-two million, one hundred ninety-six thousand, seven hundred seventy-seven".