28287166413 has 16 divisors (see below), whose sum is σ = 41921292096. Its totient is φ = 16820269440.

The previous prime is 28287166393. The next prime is 28287166429. The reversal of 28287166413 is 31466178282.

It is not a de Polignac number, because 28287166413 - 2⁸ = 28287166157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28287167413) 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, 8084920 + ... + 8088417.

It is an arithmetic number, because the mean of its divisors is an integer number (2620080756).

Almost surely, 2^28287166413 is an apocalyptic number.

It is an amenable number.

28287166413 is a deficient number, since it is larger than the sum of its proper divisors (13634125683).

28287166413 is a wasteful number, since it uses less digits than its factorization.

28287166413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16173404.

The product of its digits is 774144, while the sum is 48.

The spelling of 28287166413 in words is "twenty-eight billion, two hundred eighty-seven million, one hundred sixty-six thousand, four hundred thirteen".