27750250550007 has 24 divisors (see below), whose sum is σ = 42615643191264. Its totient is φ = 17361928693824.

The previous prime is 27750250550003. The next prime is 27750250550081. The reversal of 27750250550007 is 70005505205772.

27750250550007 is a `hidden beast` number, since 2 + 7 + 75 + 0 + 25 + 0 + 550 + 0 + 0 + 7 = 666.

It is not a de Polignac number, because 27750250550007 - 2² = 27750250550003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27750250550003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1264698288 + ... + 1264720229.

It is an arithmetic number, because the mean of its divisors is an integer number (1775651799636).

Almost surely, 2^{27750250550007} is an apocalyptic number.

27750250550007 is a deficient number, since it is larger than the sum of its proper divisors (14865392641257).

27750250550007 is a wasteful number, since it uses less digits than its factorization.

27750250550007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529418599 (or 2529418596 counting only the distinct ones).

The product of its (nonzero) digits is 857500, while the sum is 45.

Adding to 27750250550007 its reverse (70005505205772), we get a palindrome (97755755755779).

The spelling of 27750250550007 in words is "twenty-seven trillion, seven hundred fifty billion, two hundred fifty million, five hundred fifty thousand, seven".