64885654 has 4 divisors (see below), whose sum is σ = 97328484. Its totient is φ = 32442826.

The previous prime is 64885637. The next prime is 64885661. The reversal of 64885654 is 45658846.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16221412 + ... + 16221415.

It is an arithmetic number, because the mean of its divisors is an integer number (24332121).

Almost surely, 2^64885654 is an apocalyptic number.

64885654 is a deficient number, since it is larger than the sum of its proper divisors (32442830).

64885654 is a wasteful number, since it uses less digits than its factorization.

64885654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32442829.

The product of its digits is 921600, while the sum is 46.

The square root of 64885654 is about 8055.1631889118. The cubic root of 64885654 is about 401.8366662351.

The spelling of 64885654 in words is "sixty-four million, eight hundred eighty-five thousand, six hundred fifty-four".