27777673804 has 24 divisors (see below), whose sum is σ = 53708241888. Its totient is φ = 12503504640.

The previous prime is 27777673793. The next prime is 27777673811. The reversal of 27777673804 is 40837677772.

It is a super-2 number, since 2×27777673804² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8878767 + ... + 8881894.

It is an arithmetic number, because the mean of its divisors is an integer number (2237843412).

Almost surely, 2^27777673804 is an apocalyptic number.

It is an amenable number.

27777673804 is a deficient number, since it is larger than the sum of its proper divisors (25930568084).

27777673804 is a wasteful number, since it uses less digits than its factorization.

27777673804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17760705 (or 17760703 counting only the distinct ones).

The product of its (nonzero) digits is 19361664, while the sum is 58.

The spelling of 27777673804 in words is "twenty-seven billion, seven hundred seventy-seven million, six hundred seventy-three thousand, eight hundred four".