27802120215 has 16 divisors (see below), whose sum is σ = 46824624000. Its totient is φ = 14047386912.

The previous prime is 27802120211. The next prime is 27802120277. The reversal of 27802120215 is 51202120872.

It is not a de Polignac number, because 27802120215 - 2² = 27802120211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27802120211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48775365 + ... + 48775934.

It is an arithmetic number, because the mean of its divisors is an integer number (2926539000).

Almost surely, 2^27802120215 is an apocalyptic number.

27802120215 is a deficient number, since it is larger than the sum of its proper divisors (19022503785).

27802120215 is a wasteful number, since it uses less digits than its factorization.

27802120215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97551326.

The product of its (nonzero) digits is 4480, while the sum is 30.

The spelling of 27802120215 in words is "twenty-seven billion, eight hundred two million, one hundred twenty thousand, two hundred fifteen".