42238551123777 has 16 divisors (see below), whose sum is σ = 56657841149952. Its totient is φ = 27989162704080.

The previous prime is 42238551123739. The next prime is 42238551123823. The reversal of 42238551123777 is 77732115583224.

It is not a de Polignac number, because 42238551123777 - 2⁷ = 42238551123649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42238551133777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9368002 + ... + 13123892.

It is an arithmetic number, because the mean of its divisors is an integer number (3541115071872).

Almost surely, 2^{42238551123777} is an apocalyptic number.

It is an amenable number.

42238551123777 is a deficient number, since it is larger than the sum of its proper divisors (14419290026175).

42238551123777 is a wasteful number, since it uses less digits than its factorization.

42238551123777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3778508.

The product of its digits is 19756800, while the sum is 57.

The spelling of 42238551123777 in words is "forty-two trillion, two hundred thirty-eight billion, five hundred fifty-one million, one hundred twenty-three thousand, seven hundred seventy-seven".