2777728116142 has 32 divisors (see below), whose sum is σ = 4768008410880. Its totient is φ = 1188908089920.

The previous prime is 2777728116067. The next prime is 2777728116143. The reversal of 2777728116142 is 2416118277772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2777728116143) 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, 159456709 + ... + 159474127.

It is an arithmetic number, because the mean of its divisors is an integer number (149000262840).

Almost surely, 2^{2777728116142} is an apocalyptic number.

2777728116142 is a deficient number, since it is larger than the sum of its proper divisors (1990280294738).

2777728116142 is a wasteful number, since it uses less digits than its factorization.

2777728116142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31576.

The product of its digits is 3687936, while the sum is 55.

The spelling of 2777728116142 in words is "two trillion, seven hundred seventy-seven billion, seven hundred twenty-eight million, one hundred sixteen thousand, one hundred forty-two".