28751464604 has 24 divisors (see below), whose sum is σ = 50960593488. Its totient is φ = 14191562880.

The previous prime is 28751464597. The next prime is 28751464619. The reversal of 28751464604 is 40646415782.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405794 + ... + 471350.

It is an arithmetic number, because the mean of its divisors is an integer number (2123358062).

Almost surely, 2^28751464604 is an apocalyptic number.

It is an amenable number.

28751464604 is a deficient number, since it is larger than the sum of its proper divisors (22209128884).

28751464604 is a wasteful number, since it uses less digits than its factorization.

28751464604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66965 (or 66963 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 28751464604 in words is "twenty-eight billion, seven hundred fifty-one million, four hundred sixty-four thousand, six hundred four".