64284872871 has 8 divisors (see below), whose sum is σ = 85714362864. Its totient is φ = 42855982400.

The previous prime is 64284872867. The next prime is 64284872917. The reversal of 64284872871 is 17827848246.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64284872871 - 2² = 64284872867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64284872831) 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, 262075 + ... + 444131.

It is an arithmetic number, because the mean of its divisors is an integer number (10714295358).

Almost surely, 2^64284872871 is an apocalyptic number.

64284872871 is a deficient number, since it is larger than the sum of its proper divisors (21429489993).

64284872871 is a wasteful number, since it uses less digits than its factorization.

64284872871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299761.

The product of its digits is 9633792, while the sum is 57.

The spelling of 64284872871 in words is "sixty-four billion, two hundred eighty-four million, eight hundred seventy-two thousand, eight hundred seventy-one".