28395018541764 has 72 divisors (see below), whose sum is σ = 83254382772288. Its totient is φ = 7991774936640.

The previous prime is 28395018541717. The next prime is 28395018541781. The reversal of 28395018541764 is 46714581059382.

It is a happy number.

28395018541764 is a `hidden beast` number, since 2 + 8 + 3 + 9 + 5 + 0 + 18 + 541 + 76 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 840868527 + ... + 840902294.

It is a 1-persistent number, because it is pandigital, but 2⋅28395018541764 = 56790037083528 is not.

Almost surely, 2^{28395018541764} is an apocalyptic number.

It is an amenable number.

28395018541764 is an abundant number, since it is smaller than the sum of its proper divisors (54859364230524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28395018541764 is a wasteful number, since it uses less digits than its factorization.

28395018541764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681770905 (or 1681770900 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 63.

The spelling of 28395018541764 in words is "twenty-eight trillion, three hundred ninety-five billion, eighteen million, five hundred forty-one thousand, seven hundred sixty-four".