27870307896 has 32 divisors (see below), whose sum is σ = 69695303040. Its totient is φ = 9287498208.

The previous prime is 27870307879. The next prime is 27870307901. The reversal of 27870307896 is 69870307872.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74406 + ... + 247541.

It is an arithmetic number, because the mean of its divisors is an integer number (2177978220).

Almost surely, 2^27870307896 is an apocalyptic number.

It is an amenable number.

27870307896 is an abundant number, since it is smaller than the sum of its proper divisors (41824995144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27870307896 is a wasteful number, since it uses less digits than its factorization.

27870307896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325563 (or 325559 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 57.

The spelling of 27870307896 in words is "twenty-seven billion, eight hundred seventy million, three hundred seven thousand, eight hundred ninety-six".