28004624706 has 32 divisors (see below), whose sum is σ = 59288074560. Its totient is φ = 8803376064.

The previous prime is 28004624689. The next prime is 28004624731. The reversal of 28004624706 is 60742640082.

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, 1863985 + ... + 1878948.

It is an arithmetic number, because the mean of its divisors is an integer number (1852752330).

Almost surely, 2^28004624706 is an apocalyptic number.

28004624706 is an abundant number, since it is smaller than the sum of its proper divisors (31283449854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28004624706 is a wasteful number, since it uses less digits than its factorization.

28004624706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3743010.

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 28004624706 in words is "twenty-eight billion, four million, six hundred twenty-four thousand, seven hundred six".