64804306333677 has 16 divisors (see below), whose sum is σ = 87595519584768. Its totient is φ = 42608064925440.

The previous prime is 64804306333649. The next prime is 64804306333691. The reversal of 64804306333677 is 77633360340846.

It is a happy number.

It is not a de Polignac number, because 64804306333677 - 2¹⁹ = 64804305809389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64804306333677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64804306333177) 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, 7232733 + ... + 13487810.

It is an arithmetic number, because the mean of its divisors is an integer number (5474719974048).

Almost surely, 2^{64804306333677} is an apocalyptic number.

It is an amenable number.

64804306333677 is a deficient number, since it is larger than the sum of its proper divisors (22791213251091).

64804306333677 is a wasteful number, since it uses less digits than its factorization.

64804306333677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20734900.

The product of its (nonzero) digits is 109734912, while the sum is 60.

The spelling of 64804306333677 in words is "sixty-four trillion, eight hundred four billion, three hundred six million, three hundred thirty-three thousand, six hundred seventy-seven".