82980612 has 168 divisors, whose sum is σ = 257073600. Its totient is φ = 23094720.

The previous prime is 82980593. The next prime is 82980631. The reversal of 82980612 is 21608928.

It is an interprime number because it is at equal distance from previous prime (82980593) and next prime (82980631).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 416889 + ... + 417087.

It is an arithmetic number, because the mean of its divisors is an integer number (1530200).

Almost surely, 2^82980612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82980612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128536800).

82980612 is an abundant number, since it is smaller than the sum of its proper divisors (174092988).

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

82980612 is a wasteful number, since it uses less digits than its factorization.

82980612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 82980612 is about 9109.3694622625. The cubic root of 82980612 is about 436.1730999117.

The spelling of 82980612 in words is "eighty-two million, nine hundred eighty thousand, six hundred twelve".