83325945767644 has 6 divisors (see below), whose sum is σ = 145820405093384. Its totient is φ = 41662972883820.

The previous prime is 83325945767621. The next prime is 83325945767677. The reversal of 83325945767644 is 44676754952338.

It is a super-3 number, since 3×83325945767644³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10415743220952 + ... + 10415743220959.

Almost surely, 2^{83325945767644} is an apocalyptic number.

It is an amenable number.

83325945767644 is a deficient number, since it is larger than the sum of its proper divisors (62494459325740).

83325945767644 is a wasteful number, since it uses less digits than its factorization.

83325945767644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20831486441915 (or 20831486441913 counting only the distinct ones).

The product of its digits is 3657830400, while the sum is 73.

The spelling of 83325945767644 in words is "eighty-three trillion, three hundred twenty-five billion, nine hundred forty-five million, seven hundred sixty-seven thousand, six hundred forty-four".