64828858777 has 16 divisors (see below), whose sum is σ = 68972046912. Its totient is φ = 60723020800.

The previous prime is 64828858741. The next prime is 64828858799. The reversal of 64828858777 is 77785882846.

It is a de Polignac number, because none of the positive numbers 2^k-64828858777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64828853777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3009198 + ... + 3030664.

It is an arithmetic number, because the mean of its divisors is an integer number (4310752932).

Almost surely, 2^64828858777 is an apocalyptic number.

It is an amenable number.

64828858777 is a deficient number, since it is larger than the sum of its proper divisors (4143188135).

64828858777 is a wasteful number, since it uses less digits than its factorization.

64828858777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22328.

The product of its digits is 337182720, while the sum is 70.

The spelling of 64828858777 in words is "sixty-four billion, eight hundred twenty-eight million, eight hundred fifty-eight thousand, seven hundred seventy-seven".