64857468 has 36 divisors (see below), whose sum is σ = 163875768. Its totient is φ = 19955520.

The previous prime is 64857451. The next prime is 64857491. The reversal of 64857468 is 86475846.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 13963 + ... + 18018.

Almost surely, 2^64857468 is an apocalyptic number.

It is an amenable number.

64857468 is an abundant number, since it is smaller than the sum of its proper divisors (99018300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64857468 is a wasteful number, since it uses less digits than its factorization.

64857468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32014 (or 31999 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 64857468 is about 8053.4134377915. The cubic root of 64857468 is about 401.7784725360.

The spelling of 64857468 in words is "sixty-four million, eight hundred fifty-seven thousand, four hundred sixty-eight".