15391027982 has 16 divisors (see below), whose sum is σ = 25540043904. Its totient is φ = 6897387000.

The previous prime is 15391027933. The next prime is 15391027991. The reversal of 15391027982 is 28972019351.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4925144 + ... + 4928267.

It is an arithmetic number, because the mean of its divisors is an integer number (1596252744).

Almost surely, 2^15391027982 is an apocalyptic number.

15391027982 is a deficient number, since it is larger than the sum of its proper divisors (10149015922).

15391027982 is a wasteful number, since it uses less digits than its factorization.

15391027982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9853495.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 15391027982 in words is "fifteen billion, three hundred ninety-one million, twenty-seven thousand, nine hundred eighty-two".