27828393801 has 16 divisors (see below), whose sum is σ = 40099932096. Its totient is φ = 17064645696.

The previous prime is 27828393767. The next prime is 27828393821. The reversal of 27828393801 is 10839382872.

It is not a de Polignac number, because 27828393801 - 2⁶ = 27828393737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27828393821) 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, 1249650 + ... + 1271723.

It is an arithmetic number, because the mean of its divisors is an integer number (2506245756).

Almost surely, 2^27828393801 is an apocalyptic number.

It is an amenable number.

27828393801 is a deficient number, since it is larger than the sum of its proper divisors (12271538295).

27828393801 is a wasteful number, since it uses less digits than its factorization.

27828393801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521672.

The product of its (nonzero) digits is 1161216, while the sum is 51.

It can be divided in two parts, 27 and 828393801, that added together give a palindrome (828393828).

The spelling of 27828393801 in words is "twenty-seven billion, eight hundred twenty-eight million, three hundred ninety-three thousand, eight hundred one".