277530000028 has 6 divisors (see below), whose sum is σ = 485677500056. Its totient is φ = 138765000012.

The previous prime is 277530000019. The next prime is 277530000047. The reversal of 277530000028 is 820000035772.

It is a junction number, because it is equal to n+sod(n) for n = 277529999948 and 277530000002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34691250000 + ... + 34691250007.

Almost surely, 2^277530000028 is an apocalyptic number.

It is an amenable number.

277530000028 is a deficient number, since it is larger than the sum of its proper divisors (208147500028).

277530000028 is a wasteful number, since it uses less digits than its factorization.

277530000028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69382500011 (or 69382500009 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The spelling of 277530000028 in words is "two hundred seventy-seven billion, five hundred thirty million, twenty-eight", and thus it is an aban number.