83892866648 has 8 divisors (see below), whose sum is σ = 157299124980. Its totient is φ = 41946433320.

The previous prime is 83892866611. The next prime is 83892866669. The reversal of 83892866648 is 84666829838.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×83892866648² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5243304158 + ... + 5243304173.

Almost surely, 2^83892866648 is an apocalyptic number.

It is an amenable number.

83892866648 is a deficient number, since it is larger than the sum of its proper divisors (73406258332).

83892866648 is a wasteful number, since it uses less digits than its factorization.

83892866648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10486608337 (or 10486608333 counting only the distinct ones).

The product of its digits is 191102976, while the sum is 68.

The spelling of 83892866648 in words is "eighty-three billion, eight hundred ninety-two million, eight hundred sixty-six thousand, six hundred forty-eight".