64877452 has 24 divisors (see below), whose sum is σ = 115026912. Its totient is φ = 32016000.

The previous prime is 64877447. The next prime is 64877473. The reversal of 64877452 is 25477846.

It is a junction number, because it is equal to n+sod(n) for n = 64877399 and 64877408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140502 + ... + 140962.

It is an arithmetic number, because the mean of its divisors is an integer number (4792788).

Almost surely, 2^64877452 is an apocalyptic number.

It is an amenable number.

64877452 is a deficient number, since it is larger than the sum of its proper divisors (50149460).

64877452 is a wasteful number, since it uses less digits than its factorization.

64877452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849 (or 847 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The square root of 64877452 is about 8054.6540583690. The cubic root of 64877452 is about 401.8197338676.

The spelling of 64877452 in words is "sixty-four million, eight hundred seventy-seven thousand, four hundred fifty-two".