27072597851 has 4 divisors (see below), whose sum is σ = 29155105392. Its totient is φ = 24990090312.

The previous prime is 27072597841. The next prime is 27072597863. The reversal of 27072597851 is 15879527072.

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 27072597851 - 2²² = 27068403547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27072597793 and 27072597802.

It is not an unprimeable number, because it can be changed into a prime (27072597841) 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, 1041253751 + ... + 1041253776.

It is an arithmetic number, because the mean of its divisors is an integer number (7288776348).

Almost surely, 2^27072597851 is an apocalyptic number.

27072597851 is a deficient number, since it is larger than the sum of its proper divisors (2082507541).

27072597851 is a wasteful number, since it uses less digits than its factorization.

27072597851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082507540.

The product of its (nonzero) digits is 2469600, while the sum is 53.

The spelling of 27072597851 in words is "twenty-seven billion, seventy-two million, five hundred ninety-seven thousand, eight hundred fifty-one".