15479750868 has 12 divisors (see below), whose sum is σ = 36119418720. Its totient is φ = 5159916952.

The previous prime is 15479750833. The next prime is 15479750879. The reversal of 15479750868 is 86805797451.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644989608 + ... + 644989631.

It is an arithmetic number, because the mean of its divisors is an integer number (3009951560).

Almost surely, 2^15479750868 is an apocalyptic number.

It is an amenable number.

15479750868 is an abundant number, since it is smaller than the sum of its proper divisors (20639667852).

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

15479750868 is a wasteful number, since it uses less digits than its factorization.

15479750868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289979246 (or 1289979244 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 60.

The spelling of 15479750868 in words is "fifteen billion, four hundred seventy-nine million, seven hundred fifty thousand, eight hundred sixty-eight".