28810625012 has 96 divisors (see below), whose sum is σ = 57089249280. Its totient is φ = 12629836800.

The previous prime is 28810625003. The next prime is 28810625023. The reversal of 28810625012 is 21052601882.

It is a happy number.

It is a super-2 number, since 2×28810625012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47937512 + ... + 47938112.

It is an arithmetic number, because the mean of its divisors is an integer number (594679680).

Almost surely, 2^28810625012 is an apocalyptic number.

It is an amenable number.

28810625012 is a deficient number, since it is larger than the sum of its proper divisors (28278624268).

28810625012 is a wasteful number, since it uses less digits than its factorization.

28810625012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113 (or 1111 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The spelling of 28810625012 in words is "twenty-eight billion, eight hundred ten million, six hundred twenty-five thousand, twelve".