28713677434 has 32 divisors (see below), whose sum is σ = 48414933504. Its totient is φ = 12672443520.

The previous prime is 28713677423. The next prime is 28713677449. The reversal of 28713677434 is 43477631782.

It is a happy number.

28713677434 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3052879 + ... + 3062269.

It is an arithmetic number, because the mean of its divisors is an integer number (1512966672).

Almost surely, 2^28713677434 is an apocalyptic number.

28713677434 is a deficient number, since it is larger than the sum of its proper divisors (19701256070).

28713677434 is a wasteful number, since it uses less digits than its factorization.

28713677434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14542.

The product of its digits is 4741632, while the sum is 52.

The spelling of 28713677434 in words is "twenty-eight billion, seven hundred thirteen million, six hundred seventy-seven thousand, four hundred thirty-four".