64382723667 has 8 divisors (see below), whose sum is σ = 95381812880. Its totient is φ = 42921815760.

The previous prime is 64382723623. The next prime is 64382723677. The reversal of 64382723667 is 76632728346.

64382723667 is a `hidden beast` number, since 6 + 4 + 3 + 8 + 272 + 366 + 7 = 666.

It is not a de Polignac number, because 64382723667 - 2¹¹ = 64382721619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64382723677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1192272634 + ... + 1192272687.

It is an arithmetic number, because the mean of its divisors is an integer number (11922726610).

Almost surely, 2^64382723667 is an apocalyptic number.

64382723667 is a deficient number, since it is larger than the sum of its proper divisors (30999089213).

64382723667 is a wasteful number, since it uses less digits than its factorization.

64382723667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384545330 (or 2384545324 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 54.

The spelling of 64382723667 in words is "sixty-four billion, three hundred eighty-two million, seven hundred twenty-three thousand, six hundred sixty-seven".