82986140548 has 6 divisors (see below), whose sum is σ = 145225745966. Its totient is φ = 41493070272.

The previous prime is 82986140539. The next prime is 82986140563. The reversal of 82986140548 is 84504168928.

It can be written as a sum of positive squares in only one way, i.e., 65798406144 + 17187734404 = 256512^2 + 131102^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10373267565 + ... + 10373267572.

Almost surely, 2^82986140548 is an apocalyptic number.

It is an amenable number.

82986140548 is a deficient number, since it is larger than the sum of its proper divisors (62239605418).

82986140548 is a wasteful number, since it uses less digits than its factorization.

82986140548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20746535141 (or 20746535139 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 55.

The spelling of 82986140548 in words is "eighty-two billion, nine hundred eighty-six million, one hundred forty thousand, five hundred forty-eight".