65428847604 has 24 divisors (see below), whose sum is σ = 169630345920. Its totient is φ = 21809615832.

The previous prime is 65428847593. The next prime is 65428847641. The reversal of 65428847604 is 40674882456.

It is a happy number.

65428847604 is a `hidden beast` number, since 6 + 5 + 4 + 28 + 8 + 4 + 7 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302911224 + ... + 302911439.

It is an arithmetic number, because the mean of its divisors is an integer number (7067931080).

Almost surely, 2^65428847604 is an apocalyptic number.

It is an amenable number.

65428847604 is an abundant number, since it is smaller than the sum of its proper divisors (104201498316).

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

65428847604 is a wasteful number, since it uses less digits than its factorization.

65428847604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605822676 (or 605822668 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 54.

The spelling of 65428847604 in words is "sixty-five billion, four hundred twenty-eight million, eight hundred forty-seven thousand, six hundred four".