64547030677 has 2 divisors, whose sum is σ = 64547030678. Its totient is φ = 64547030676.

The previous prime is 64547030657. The next prime is 64547030687. The reversal of 64547030677 is 77603074546.

64547030677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53849058916 + 10697971761 = 232054^2 + 103431^2 .

It is a cyclic number.

It is not a de Polignac number, because 64547030677 - 2³¹ = 62399547029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64547030677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64547030657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32273515338 + 32273515339.

It is an arithmetic number, because the mean of its divisors is an integer number (32273515339).

Almost surely, 2^64547030677 is an apocalyptic number.

It is an amenable number.

64547030677 is a deficient number, since it is larger than the sum of its proper divisors (1).

64547030677 is an equidigital number, since it uses as much as digits as its factorization.

64547030677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2963520, while the sum is 49.

The spelling of 64547030677 in words is "sixty-four billion, five hundred forty-seven million, thirty thousand, six hundred seventy-seven".