64153871 has 4 divisors (see below), whose sum is σ = 64170000. Its totient is φ = 64137744.

The previous prime is 64153847. The next prime is 64153891. The reversal of 64153871 is 17835146.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64153871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64153841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2630 + ... + 11628.

It is an arithmetic number, because the mean of its divisors is an integer number (16042500).

Almost surely, 2^64153871 is an apocalyptic number.

64153871 is a deficient number, since it is larger than the sum of its proper divisors (16129).

64153871 is an equidigital number, since it uses as much as digits as its factorization.

64153871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16128.

The product of its digits is 20160, while the sum is 35.

The square root of 64153871 is about 8009.6111640953. The cubic root of 64153871 is about 400.3203080218.

The spelling of 64153871 in words is "sixty-four million, one hundred fifty-three thousand, eight hundred seventy-one".