27775100004 has 48 divisors (see below), whose sum is σ = 68837465088. Its totient is φ = 8686248448.

The previous prime is 27775099981. The next prime is 27775100009. The reversal of 27775100004 is 40000157772.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27775100009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150084 + ... + 279419.

It is an arithmetic number, because the mean of its divisors is an integer number (1434113856).

Almost surely, 2^27775100004 is an apocalyptic number.

It is an amenable number.

27775100004 is an abundant number, since it is smaller than the sum of its proper divisors (41062365084).

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

27775100004 is a wasteful number, since it uses less digits than its factorization.

27775100004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429844 (or 429842 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 33.

Adding to 27775100004 its reverse (40000157772), we get a palindrome (67775257776).

The spelling of 27775100004 in words is "twenty-seven billion, seven hundred seventy-five million, one hundred thousand, four".