27315288905 has 16 divisors (see below), whose sum is σ = 33363615744. Its totient is φ = 21465460800.

The previous prime is 27315288899. The next prime is 27315288937. The reversal of 27315288905 is 50988251372.

It is a happy number.

It is not a de Polignac number, because 27315288905 - 2¹² = 27315284809 is a prime.

It is a super-2 number, since 2×27315288905² (a number of 22 digits) contains 22 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, 148817 + ... + 277086.

It is an arithmetic number, because the mean of its divisors is an integer number (2085225984).

Almost surely, 2^27315288905 is an apocalyptic number.

It is an amenable number.

27315288905 is a deficient number, since it is larger than the sum of its proper divisors (6048326839).

27315288905 is a wasteful number, since it uses less digits than its factorization.

27315288905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426136.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 27315288905 in words is "twenty-seven billion, three hundred fifteen million, two hundred eighty-eight thousand, nine hundred five".