28601836232 has 8 divisors (see below), whose sum is σ = 53628442950. Its totient is φ = 14300918112.

The previous prime is 28601836171. The next prime is 28601836247. The reversal of 28601836232 is 23263810682.

It can be written as a sum of positive squares in only one way, i.e., 28152141796 + 449694436 = 167786^2 + 21206^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 28601836232.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1787614757 + ... + 1787614772.

Almost surely, 2^28601836232 is an apocalyptic number.

It is an amenable number.

28601836232 is a deficient number, since it is larger than the sum of its proper divisors (25026606718).

28601836232 is a wasteful number, since it uses less digits than its factorization.

28601836232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575229535 (or 3575229531 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 28601836232 in words is "twenty-eight billion, six hundred one million, eight hundred thirty-six thousand, two hundred thirty-two".