64528307876 has 12 divisors (see below), whose sum is σ = 112926493680. Its totient is φ = 32263595400.

The previous prime is 64528307873. The next prime is 64528307903. The reversal of 64528307876 is 67870382546.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (64528307873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227651 + ... + 425301.

It is an arithmetic number, because the mean of its divisors is an integer number (9410541140).

Almost surely, 2^64528307876 is an apocalyptic number.

It is an amenable number.

64528307876 is a deficient number, since it is larger than the sum of its proper divisors (48398185804).

64528307876 is a wasteful number, since it uses less digits than its factorization.

64528307876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279274 (or 279272 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 64528307876 in words is "sixty-four billion, five hundred twenty-eight million, three hundred seven thousand, eight hundred seventy-six".