82909588 has 6 divisors (see below), whose sum is σ = 145091786. Its totient is φ = 41454792.

The previous prime is 82909583. The next prime is 82909601. The reversal of 82909588 is 88590928.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 74684164 + 8225424 = 8642^2 + 2868^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82909583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10363695 + ... + 10363702.

Almost surely, 2^82909588 is an apocalyptic number.

It is an amenable number.

82909588 is a deficient number, since it is larger than the sum of its proper divisors (62182198).

82909588 is a wasteful number, since it uses less digits than its factorization.

82909588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20727401 (or 20727399 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 49.

The square root of 82909588 is about 9105.4702239917. The cubic root of 82909588 is about 436.0486226390.

The spelling of 82909588 in words is "eighty-two million, nine hundred nine thousand, five hundred eighty-eight".