28071703442 has 16 divisors (see below), whose sum is σ = 43070019840. Its totient is φ = 13715954688.

The previous prime is 28071703421. The next prime is 28071703477. The reversal of 28071703442 is 24430717082.

It is a junction number, because it is equal to n+sod(n) for n = 28071703396 and 28071703405.

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, 169967 + ... + 291602.

It is an arithmetic number, because the mean of its divisors is an integer number (2691876240).

Almost surely, 2^28071703442 is an apocalyptic number.

28071703442 is a deficient number, since it is larger than the sum of its proper divisors (14998316398).

28071703442 is a wasteful number, since it uses less digits than its factorization.

28071703442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462265.

The product of its (nonzero) digits is 75264, while the sum is 38.

The spelling of 28071703442 in words is "twenty-eight billion, seventy-one million, seven hundred three thousand, four hundred forty-two".