30027778028055 has 32 divisors (see below), whose sum is σ = 55104739614720. Its totient is φ = 15498208012320.

The previous prime is 30027778028041. The next prime is 30027778028063. The reversal of 30027778028055 is 55082087772003.

30027778028055 is a `hidden beast` number, since 300 + 2 + 7 + 7 + 7 + 8 + 0 + 280 + 55 = 666.

It is not a de Polignac number, because 30027778028055 - 2⁵ = 30027778028023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30027778027992 and 30027778028010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3587543967 + ... + 3587552336.

It is an arithmetic number, because the mean of its divisors is an integer number (1722023112960).

Almost surely, 2^{30027778028055} is an apocalyptic number.

30027778028055 is a deficient number, since it is larger than the sum of its proper divisors (25076961586665).

30027778028055 is a wasteful number, since it uses less digits than its factorization.

30027778028055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7175096348 (or 7175096342 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 54.

The spelling of 30027778028055 in words is "thirty trillion, twenty-seven billion, seven hundred seventy-eight million, twenty-eight thousand, fifty-five".