64886534 has 8 divisors (see below), whose sum is σ = 100469568. Its totient is φ = 31396680.

The previous prime is 64886513. The next prime is 64886557. The reversal of 64886534 is 43568846.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523217 + ... + 523340.

It is an arithmetic number, because the mean of its divisors is an integer number (12558696).

Almost surely, 2^64886534 is an apocalyptic number.

64886534 is a deficient number, since it is larger than the sum of its proper divisors (35583034).

64886534 is a wasteful number, since it uses less digits than its factorization.

64886534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046590.

The product of its digits is 552960, while the sum is 44.

The square root of 64886534 is about 8055.2178120768. The cubic root of 64886534 is about 401.8384828394.

The spelling of 64886534 in words is "sixty-four million, eight hundred eighty-six thousand, five hundred thirty-four".