27387810880859 has 16 divisors (see below), whose sum is σ = 32184351005184. Its totient is φ = 22976734576800.

The previous prime is 27387810880847. The next prime is 27387810880861. The reversal of 27387810880859 is 95808801878372.

It is a cyclic number.

It is not a de Polignac number, because 27387810880859 - 2¹² = 27387810876763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27387810880879) 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, 24636707 + ... + 25724364.

It is an arithmetic number, because the mean of its divisors is an integer number (2011521937824).

Almost surely, 2^{27387810880859} is an apocalyptic number.

27387810880859 is a deficient number, since it is larger than the sum of its proper divisors (4796540124325).

27387810880859 is a wasteful number, since it uses less digits than its factorization.

27387810880859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50364898.

The product of its (nonzero) digits is 433520640, while the sum is 74.

The spelling of 27387810880859 in words is "twenty-seven trillion, three hundred eighty-seven billion, eight hundred ten million, eight hundred eighty thousand, eight hundred fifty-nine".