28786309034 has 64 divisors (see below), whose sum is σ = 52767590400. Its totient is φ = 11511763200.

The previous prime is 28786309007. The next prime is 28786309091. The reversal of 28786309034 is 43090368782.

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, 15467264 + ... + 15469124.

It is an arithmetic number, because the mean of its divisors is an integer number (824493600).

Almost surely, 2^28786309034 is an apocalyptic number.

28786309034 is a deficient number, since it is larger than the sum of its proper divisors (23981281366).

28786309034 is a wasteful number, since it uses less digits than its factorization.

28786309034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3159.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 28786309034 in words is "twenty-eight billion, seven hundred eighty-six million, three hundred nine thousand, thirty-four".