42769776238 has 16 divisors (see below), whose sum is σ = 74031459840. Its totient is φ = 18151943256.

The previous prime is 42769776209. The next prime is 42769776251. The reversal of 42769776238 is 83267796724.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14828578 + ... + 14831461.

It is an arithmetic number, because the mean of its divisors is an integer number (4626966240).

Almost surely, 2^42769776238 is an apocalyptic number.

42769776238 is a deficient number, since it is larger than the sum of its proper divisors (31261683602).

42769776238 is a wasteful number, since it uses less digits than its factorization.

42769776238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29660151.

The product of its digits is 42674688, while the sum is 61.

The spelling of 42769776238 in words is "forty-two billion, seven hundred sixty-nine million, seven hundred seventy-six thousand, two hundred thirty-eight".