27398785001 has 4 divisors (see below), whose sum is σ = 31312897152. Its totient is φ = 23484672852.

The previous prime is 27398784967. The next prime is 27398785123. The reversal of 27398785001 is 10058789372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27398785001 - 2¹⁰ = 27398783977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27398785801) 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, 1957056065 + ... + 1957056078.

It is an arithmetic number, because the mean of its divisors is an integer number (7828224288).

Almost surely, 2^27398785001 is an apocalyptic number.

It is an amenable number.

27398785001 is a deficient number, since it is larger than the sum of its proper divisors (3914112151).

27398785001 is an equidigital number, since it uses as much as digits as its factorization.

27398785001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914112150.

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 27398785001 in words is "twenty-seven billion, three hundred ninety-eight million, seven hundred eighty-five thousand, one".