42246554777 has 16 divisors (see below), whose sum is σ = 50849879040. Its totient is φ = 34287277968.

The previous prime is 42246554773. The next prime is 42246554783. The reversal of 42246554777 is 77745564224.

It is a cyclic number.

It is not a de Polignac number, because 42246554777 - 2² = 42246554773 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42246554773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170348 + ... + 336914.

It is an arithmetic number, because the mean of its divisors is an integer number (3178117440).

Almost surely, 2^42246554777 is an apocalyptic number.

It is an amenable number.

42246554777 is a deficient number, since it is larger than the sum of its proper divisors (8603324263).

42246554777 is a wasteful number, since it uses less digits than its factorization.

42246554777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168500.

The product of its digits is 13171200, while the sum is 53.

The spelling of 42246554777 in words is "forty-two billion, two hundred forty-six million, five hundred fifty-four thousand, seven hundred seventy-seven".