83755432728956 has 24 divisors (see below), whose sum is σ = 151640343781920. Its totient is φ = 40429889350592.

The previous prime is 83755432728923. The next prime is 83755432728967. The reversal of 83755432728956 is 65982723455738.

It is a super-2 number, since 2×83755432728956² (a number of 29 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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32390936 + ... + 34880991.

It is an arithmetic number, because the mean of its divisors is an integer number (6318347657580).

Almost surely, 2^{83755432728956} is an apocalyptic number.

It is an amenable number.

83755432728956 is a deficient number, since it is larger than the sum of its proper divisors (67884911052964).

83755432728956 is a wasteful number, since it uses less digits than its factorization.

83755432728956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67282693 (or 67282691 counting only the distinct ones).

The product of its digits is 3048192000, while the sum is 74.

The spelling of 83755432728956 in words is "eighty-three trillion, seven hundred fifty-five billion, four hundred thirty-two million, seven hundred twenty-eight thousand, nine hundred fifty-six".