27315294071 has 24 divisors (see below), whose sum is σ = 30837452976. Its totient is φ = 24162727680.

The previous prime is 27315294059. The next prime is 27315294091. The reversal of 27315294071 is 17049251372.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-27315294071 is a prime.

It is a super-2 number, since 2×27315294071² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27315294001) 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, 349691 + ... + 420611.

It is an arithmetic number, because the mean of its divisors is an integer number (1284893874).

Almost surely, 2^27315294071 is an apocalyptic number.

27315294071 is a deficient number, since it is larger than the sum of its proper divisors (3522158905).

27315294071 is a wasteful number, since it uses less digits than its factorization.

27315294071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71043 (or 71030 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 27315294071 in words is "twenty-seven billion, three hundred fifteen million, two hundred ninety-four thousand, seventy-one".