83485505256 has 32 divisors (see below), whose sum is σ = 208790913600. Its totient is φ = 27818215040.

The previous prime is 83485505251. The next prime is 83485505267. The reversal of 83485505256 is 65250558438.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 83485505199 and 83485505208.

It is not an unprimeable number, because it can be changed into a prime (83485505251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576501 + ... + 706628.

It is an arithmetic number, because the mean of its divisors is an integer number (6524716050).

Almost surely, 2^83485505256 is an apocalyptic number.

It is an amenable number.

83485505256 is an abundant number, since it is smaller than the sum of its proper divisors (125305408344).

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

83485505256 is a wasteful number, since it uses less digits than its factorization.

83485505256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285849 (or 1285845 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 51.

The spelling of 83485505256 in words is "eighty-three billion, four hundred eighty-five million, five hundred five thousand, two hundred fifty-six".