27513120707 has 4 divisors (see below), whose sum is σ = 27643514856. Its totient is φ = 27382726560.

The previous prime is 27513120673. The next prime is 27513120797. The reversal of 27513120707 is 70702131572.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27513120707 - 2⁸ = 27513120451 is a prime.

It is a super-2 number, since 2×27513120707² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27513120797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65196758 + ... + 65197179.

It is an arithmetic number, because the mean of its divisors is an integer number (6910878714).

Almost surely, 2^27513120707 is an apocalyptic number.

27513120707 is a deficient number, since it is larger than the sum of its proper divisors (130394149).

27513120707 is a wasteful number, since it uses less digits than its factorization.

27513120707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130394148.

The product of its (nonzero) digits is 20580, while the sum is 35.

The spelling of 27513120707 in words is "twenty-seven billion, five hundred thirteen million, one hundred twenty thousand, seven hundred seven".