64477147115773 has 32 divisors (see below), whose sum is σ = 74707343744000. Its totient is φ = 54503385670656.

The previous prime is 64477147115761. The next prime is 64477147115803. The reversal of 64477147115773 is 37751174177446.

64477147115773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 64477147115773 - 2⁹ = 64477147115261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64477147116773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5340600865 + ... + 5340612937.

It is an arithmetic number, because the mean of its divisors is an integer number (2334604492000).

Almost surely, 2^{64477147115773} is an apocalyptic number.

It is an amenable number.

64477147115773 is a deficient number, since it is larger than the sum of its proper divisors (10230196628227).

64477147115773 is a wasteful number, since it uses less digits than its factorization.

64477147115773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22541.

The product of its digits is 96808320, while the sum is 64.

The spelling of 64477147115773 in words is "sixty-four trillion, four hundred seventy-seven billion, one hundred forty-seven million, one hundred fifteen thousand, seven hundred seventy-three".