83745737664 has 56 divisors (see below), whose sum is σ = 222504487680. Its totient is φ = 27798430464.

The previous prime is 83745737651. The next prime is 83745737681. The reversal of 83745737664 is 46673754738.

It is a junction number, because it is equal to n+sod(n) for n = 83745737598 and 83745737607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866614 + ... + 958389.

Almost surely, 2^83745737664 is an apocalyptic number.

It is an amenable number.

83745737664 is an abundant number, since it is smaller than the sum of its proper divisors (138758750016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83745737664 is a wasteful number, since it uses less digits than its factorization.

83745737664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825257 (or 1825247 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 60.

The spelling of 83745737664 in words is "eighty-three billion, seven hundred forty-five million, seven hundred thirty-seven thousand, six hundred sixty-four".