64377111585 has 32 divisors (see below), whose sum is σ = 104789543040. Its totient is φ = 33740121600.

The previous prime is 64377111583. The next prime is 64377111647. The reversal of 64377111585 is 58511177346.

64377111585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64377111585 - 2¹ = 64377111583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64377111581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 966021 + ... + 1030509.

It is an arithmetic number, because the mean of its divisors is an integer number (3274673220).

Almost surely, 2^64377111585 is an apocalyptic number.

It is an amenable number.

64377111585 is a deficient number, since it is larger than the sum of its proper divisors (40412431455).

64377111585 is a wasteful number, since it uses less digits than its factorization.

64377111585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65649.

The product of its digits is 705600, while the sum is 48.

The spelling of 64377111585 in words is "sixty-four billion, three hundred seventy-seven million, one hundred eleven thousand, five hundred eighty-five".