99986069636 has 12 divisors (see below), whose sum is σ = 185268305628. Its totient is φ = 47052268032.

The previous prime is 99986069621. The next prime is 99986069693. The reversal of 99986069636 is 63696068999.

It can be written as a sum of positive squares in 2 ways, for example, as 88019022400 + 11967047236 = 296680^2 + 109394^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 99986069636.

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, 735191621 + ... + 735191756.

It is an arithmetic number, because the mean of its divisors is an integer number (15439025469).

Almost surely, 2^99986069636 is an apocalyptic number.

It is an amenable number.

99986069636 is a deficient number, since it is larger than the sum of its proper divisors (85282235992).

99986069636 is a wasteful number, since it uses less digits than its factorization.

99986069636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470383398 (or 1470383396 counting only the distinct ones).

The product of its (nonzero) digits is 204073344, while the sum is 71.

The spelling of 99986069636 in words is "ninety-nine billion, nine hundred eighty-six million, sixty-nine thousand, six hundred thirty-six".