27872250945 has 32 divisors (see below), whose sum is σ = 55599713280. Its totient is φ = 11583272640.

The previous prime is 27872250881. The next prime is 27872251003. The reversal of 27872250945 is 54905227872.

It is not a de Polignac number, because 27872250945 - 2⁶ = 27872250881 is a prime.

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, 12064755 + ... + 12067064.

It is an arithmetic number, because the mean of its divisors is an integer number (1737491040).

Almost surely, 2^27872250945 is an apocalyptic number.

It is an amenable number.

27872250945 is a deficient number, since it is larger than the sum of its proper divisors (27727462335).

27872250945 is a wasteful number, since it uses less digits than its factorization.

27872250945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24131845.

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 27872250945 in words is "twenty-seven billion, eight hundred seventy-two million, two hundred fifty thousand, nine hundred forty-five".