9923988086546 has 4 divisors (see below), whose sum is σ = 14885982129822. Its totient is φ = 4961994043272.

The previous prime is 9923988086503. The next prime is 9923988086563. The reversal of 9923988086546 is 6456808893299.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9883861987321 + 40126099225 = 3143861^2 + 200315^2 .

It is a super-3 number, since 3×9923988086546³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2480997021635 + ... + 2480997021638.

Almost surely, 2^{9923988086546} is an apocalyptic number.

9923988086546 is a deficient number, since it is larger than the sum of its proper divisors (4961994043276).

9923988086546 is a wasteful number, since it uses less digits than its factorization.

9923988086546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4961994043275.

The product of its (nonzero) digits is 1612431360, while the sum is 77.

The spelling of 9923988086546 in words is "nine trillion, nine hundred twenty-three billion, nine hundred eighty-eight million, eighty-six thousand, five hundred forty-six".