27779034826776 has 64 divisors (see below), whose sum is σ = 71371755866880. Its totient is φ = 9003453713280.

The previous prime is 27779034826709. The next prime is 27779034826783. The reversal of 27779034826776 is 67762843097772.

It is a junction number, because it is equal to n+sod(n) for n = 27779034826698 and 27779034826707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9009886 + ... + 11693421.

It is an arithmetic number, because the mean of its divisors is an integer number (1115183685420).

Almost surely, 2^{27779034826776} is an apocalyptic number.

It is an amenable number.

27779034826776 is an abundant number, since it is smaller than the sum of its proper divisors (43592721040104).

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

27779034826776 is a wasteful number, since it uses less digits than its factorization.

27779034826776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20704864 (or 20704860 counting only the distinct ones).

The product of its (nonzero) digits is 2091059712, while the sum is 75.

The spelling of 27779034826776 in words is "twenty-seven trillion, seven hundred seventy-nine billion, thirty-four million, eight hundred twenty-six thousand, seven hundred seventy-six".