28412072572 has 24 divisors (see below), whose sum is σ = 53666743536. Its totient is φ = 13083652608.

The previous prime is 28412072551. The next prime is 28412072587. The reversal of 28412072572 is 27527021482.

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, 593653 + ... + 639724.

It is an arithmetic number, because the mean of its divisors is an integer number (2236114314).

Almost surely, 2^28412072572 is an apocalyptic number.

It is an amenable number.

28412072572 is a deficient number, since it is larger than the sum of its proper divisors (25254670964).

28412072572 is a wasteful number, since it uses less digits than its factorization.

28412072572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233837 (or 1233835 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 40.

The spelling of 28412072572 in words is "twenty-eight billion, four hundred twelve million, seventy-two thousand, five hundred seventy-two".