83256229980 has 144 divisors (see below), whose sum is σ = 314859976704. Its totient is φ = 17299992960.

The previous prime is 83256229897. The next prime is 83256229999. The reversal of 83256229980 is 8992265238.

83256229980 is a `hidden beast` number, since 8 + 3 + 2 + 5 + 622 + 9 + 9 + 8 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2989612 + ... + 3017331.

It is an arithmetic number, because the mean of its divisors is an integer number (2186527616).

Almost surely, 2^83256229980 is an apocalyptic number.

It is an amenable number.

83256229980 is an abundant number, since it is smaller than the sum of its proper divisors (231603746724).

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

83256229980 is a wasteful number, since it uses less digits than its factorization.

83256229980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6006976 (or 6006971 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

It can be divided in two parts, 83256 and 229980, that added together give a triangular number (313236 = T₇₉₁).

The spelling of 83256229980 in words is "eighty-three billion, two hundred fifty-six million, two hundred twenty-nine thousand, nine hundred eighty".