27959580145 has 16 divisors (see below), whose sum is σ = 40600130688. Its totient is φ = 18044501760.

The previous prime is 27959580133. The next prime is 27959580251. The reversal of 27959580145 is 54108595972.

It is not a de Polignac number, because 27959580145 - 2¹³ = 27959571953 is a prime.

It is a super-4 number, since 4×27959580145⁴ (a number of 43 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23494851 + ... + 23496040.

It is an arithmetic number, because the mean of its divisors is an integer number (2537508168).

Almost surely, 2^27959580145 is an apocalyptic number.

It is an amenable number.

27959580145 is a deficient number, since it is larger than the sum of its proper divisors (12640550543).

27959580145 is a wasteful number, since it uses less digits than its factorization.

27959580145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46990920.

The product of its (nonzero) digits is 4536000, while the sum is 55.

The spelling of 27959580145 in words is "twenty-seven billion, nine hundred fifty-nine million, five hundred eighty thousand, one hundred forty-five".