83162983280 has 320 divisors, whose sum is σ = 228252057600. Its totient is φ = 27904020480.

The previous prime is 83162983259. The next prime is 83162983297. The reversal of 83162983280 is 8238926138.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77794586 + ... + 77795654.

It is an arithmetic number, because the mean of its divisors is an integer number (713287680).

Almost surely, 2^83162983280 is an apocalyptic number.

83162983280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83162983280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114126028800).

83162983280 is an abundant number, since it is smaller than the sum of its proper divisors (145089074320).

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

83162983280 is a wasteful number, since it uses less digits than its factorization.

83162983280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272 (or 1266 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 83162983280 in words is "eighty-three billion, one hundred sixty-two million, nine hundred eighty-three thousand, two hundred eighty".