64871151 has 8 divisors (see below), whose sum is σ = 87335040. Its totient is φ = 42827352.

The previous prime is 64871137. The next prime is 64871159. The reversal of 64871151 is 15117846.

It is a happy number.

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

It is not a de Polignac number, because 64871151 - 2⁹ = 64870639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64871159) 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, 104661 + ... + 105278.

It is an arithmetic number, because the mean of its divisors is an integer number (10916880).

Almost surely, 2^64871151 is an apocalyptic number.

64871151 is a deficient number, since it is larger than the sum of its proper divisors (22463889).

64871151 is a wasteful number, since it uses less digits than its factorization.

64871151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210045.

The product of its digits is 6720, while the sum is 33.

The square root of 64871151 is about 8054.2629085472. The cubic root of 64871151 is about 401.8067249920.

Adding to 64871151 its reverse (15117846), we get a palindrome (79988997).

The spelling of 64871151 in words is "sixty-four million, eight hundred seventy-one thousand, one hundred fifty-one".