82947036 has 12 divisors (see below), whose sum is σ = 193543112. Its totient is φ = 27649008.

The previous prime is 82947023. The next prime is 82947071. The reversal of 82947036 is 63074928.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 82946985 and 82947003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3456115 + ... + 3456138.

Almost surely, 2^82947036 is an apocalyptic number.

It is an amenable number.

82947036 is an abundant number, since it is smaller than the sum of its proper divisors (110596076).

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

82947036 is a wasteful number, since it uses less digits than its factorization.

82947036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6912260 (or 6912258 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 82947036 is about 9107.5263381447. The cubic root of 82947036 is about 436.1142631813.

The spelling of 82947036 in words is "eighty-two million, nine hundred forty-seven thousand, thirty-six".