64282125687 has 64 divisors (see below), whose sum is σ = 103534341120. Its totient is φ = 35045996544.

The previous prime is 64282125671. The next prime is 64282125689. The reversal of 64282125687 is 78652128246.

It is not a de Polignac number, because 64282125687 - 2⁴ = 64282125671 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64282125689) 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 63 ways as a sum of consecutive naturals, for example, 1961478 + ... + 1993980.

It is an arithmetic number, because the mean of its divisors is an integer number (1617724080).

Almost surely, 2^64282125687 is an apocalyptic number.

64282125687 is a deficient number, since it is larger than the sum of its proper divisors (39252215433).

64282125687 is a wasteful number, since it uses less digits than its factorization.

64282125687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32712.

The product of its digits is 2580480, while the sum is 51.

The spelling of 64282125687 in words is "sixty-four billion, two hundred eighty-two million, one hundred twenty-five thousand, six hundred eighty-seven".