2781713542377 has 64 divisors (see below), whose sum is σ = 4663200890880. Its totient is φ = 1432867579200.

The previous prime is 2781713542373. The next prime is 2781713542417. The reversal of 2781713542377 is 7732453171872.

It is a happy number.

It is not a de Polignac number, because 2781713542377 - 2² = 2781713542373 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2781713542373) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25986988 + ... + 26093810.

It is an arithmetic number, because the mean of its divisors is an integer number (72862513920).

Almost surely, 2^{2781713542377} is an apocalyptic number.

It is an amenable number.

2781713542377 is a deficient number, since it is larger than the sum of its proper divisors (1881487348503).

2781713542377 is a wasteful number, since it uses less digits than its factorization.

2781713542377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107794.

The product of its digits is 13829760, while the sum is 57.

The spelling of 2781713542377 in words is "two trillion, seven hundred eighty-one billion, seven hundred thirteen million, five hundred forty-two thousand, three hundred seventy-seven".