27870801761 has 16 divisors (see below), whose sum is σ = 31071955200. Its totient is φ = 24786777600.

The previous prime is 27870801731. The next prime is 27870801769. The reversal of 27870801761 is 16710807872.

It is a cyclic number.

It is not a de Polignac number, because 27870801761 - 2¹⁴ = 27870785377 is a prime.

It is a super-2 number, since 2×27870801761² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27870801769) 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, 52400 + ... + 241841.

It is an arithmetic number, because the mean of its divisors is an integer number (1941997200).

Almost surely, 2^27870801761 is an apocalyptic number.

It is an amenable number.

27870801761 is a deficient number, since it is larger than the sum of its proper divisors (3201153439).

27870801761 is a wasteful number, since it uses less digits than its factorization.

27870801761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294440.

The product of its (nonzero) digits is 263424, while the sum is 47.

The spelling of 27870801761 in words is "twenty-seven billion, eight hundred seventy million, eight hundred one thousand, seven hundred sixty-one".