28475542790 has 16 divisors (see below), whose sum is σ = 51475963968. Its totient is φ = 11341331136.

The previous prime is 28475542787. The next prime is 28475542813. The reversal of 28475542790 is 9724557482.

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, 6108302 + ... + 6112961.

It is an arithmetic number, because the mean of its divisors is an integer number (3217247748).

Almost surely, 2^28475542790 is an apocalyptic number.

28475542790 is a deficient number, since it is larger than the sum of its proper divisors (23000421178).

28475542790 is a wasteful number, since it uses less digits than its factorization.

28475542790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12221503.

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 28475542790 in words is "twenty-eight billion, four hundred seventy-five million, five hundred forty-two thousand, seven hundred ninety".