28461797692 has 6 divisors (see below), whose sum is σ = 49808145968. Its totient is φ = 14230898844.

The previous prime is 28461797687. The next prime is 28461797711. The reversal of 28461797692 is 29679716482.

It is a self number, because there is not a number n which added to its sum of digits gives 28461797692.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3557724708 + ... + 3557724715.

Almost surely, 2^28461797692 is an apocalyptic number.

It is an amenable number.

28461797692 is a deficient number, since it is larger than the sum of its proper divisors (21346348276).

28461797692 is a wasteful number, since it uses less digits than its factorization.

28461797692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7115449427 (or 7115449425 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 61.

The spelling of 28461797692 in words is "twenty-eight billion, four hundred sixty-one million, seven hundred ninety-seven thousand, six hundred ninety-two".