16277042873778 has 32 divisors (see below), whose sum is σ = 32733729054720. Its totient is φ = 5395756385040.

The previous prime is 16277042873771. The next prime is 16277042873789. The reversal of 16277042873778 is 87737824077261.

It is not an unprimeable number, because it can be changed into a prime (16277042873771) 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, 2083201 + ... + 6074027.

It is an arithmetic number, because the mean of its divisors is an integer number (1022929032960).

Almost surely, 2^{16277042873778} is an apocalyptic number.

16277042873778 is an abundant number, since it is smaller than the sum of its proper divisors (16456686180942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16277042873778 is a wasteful number, since it uses less digits than its factorization.

16277042873778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994582.

The product of its (nonzero) digits is 309786624, while the sum is 69.

The spelling of 16277042873778 in words is "sixteen trillion, two hundred seventy-seven billion, forty-two million, eight hundred seventy-three thousand, seven hundred seventy-eight".