83773400707064 has 128 divisors (see below), whose sum is σ = 169835504025600. Its totient is φ = 38647648865280.

The previous prime is 83773400707063. The next prime is 83773400707067. The reversal of 83773400707064 is 46070700437738.

It is a super-2 number, since 2×83773400707064² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83773400707063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1285170617 + ... + 1285235799.

It is an arithmetic number, because the mean of its divisors is an integer number (1326839875200).

Almost surely, 2^{83773400707064} is an apocalyptic number.

It is an amenable number.

83773400707064 is an abundant number, since it is smaller than the sum of its proper divisors (86062103318536).

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

83773400707064 is a wasteful number, since it uses less digits than its factorization.

83773400707064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67485 (or 67481 counting only the distinct ones).

The product of its (nonzero) digits is 16595712, while the sum is 56.

The spelling of 83773400707064 in words is "eighty-three trillion, seven hundred seventy-three billion, four hundred million, seven hundred seven thousand, sixty-four".