127739772866342 has 32 divisors (see below), whose sum is σ = 236415371056704. Its totient is φ = 50408394624000.

The previous prime is 127739772866341. The next prime is 127739772866347. The reversal of 127739772866342 is 243668277937721.

It is a self number, because there is not a number n which added to its sum of digits gives 127739772866342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127739772866341) 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, 875072759 + ... + 875218722.

It is an arithmetic number, because the mean of its divisors is an integer number (7387980345522).

Almost surely, 2^{127739772866342} is an apocalyptic number.

127739772866342 is a deficient number, since it is larger than the sum of its proper divisors (108675598190362).

127739772866342 is a wasteful number, since it uses less digits than its factorization.

127739772866342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750291904.

The product of its digits is 1792336896, while the sum is 74.

The spelling of 127739772866342 in words is "one hundred twenty-seven trillion, seven hundred thirty-nine billion, seven hundred seventy-two million, eight hundred sixty-six thousand, three hundred forty-two".