64087953 has 4 divisors (see below), whose sum is σ = 85450608. Its totient is φ = 42725300.

The previous prime is 64087901. The next prime is 64087957. The reversal of 64087953 is 35978046.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64087953 - 2²⁰ = 63039377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64087957) 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, 10681323 + ... + 10681328.

It is an arithmetic number, because the mean of its divisors is an integer number (21362652).

Almost surely, 2^64087953 is an apocalyptic number.

It is an amenable number.

64087953 is a deficient number, since it is larger than the sum of its proper divisors (21362655).

64087953 is a wasteful number, since it uses less digits than its factorization.

64087953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21362654.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 64087953 is about 8005.4951751906. The cubic root of 64087953 is about 400.1831515426.

The spelling of 64087953 in words is "sixty-four million, eighty-seven thousand, nine hundred fifty-three".