82604788 has 18 divisors (see below), whose sum is σ = 168160146. Its totient is φ = 35401968.

The previous prime is 82604783. The next prime is 82604807. The reversal of 82604788 is 88740628.

It can be written as a sum of positive squares in only one way, i.e., 71031184 + 11573604 = 8428^2 + 3402^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82604783) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210531 + ... + 210922.

Almost surely, 2^82604788 is an apocalyptic number.

It is an amenable number.

82604788 is an abundant number, since it is smaller than the sum of its proper divisors (85555358).

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

82604788 is a wasteful number, since it uses less digits than its factorization.

82604788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421471 (or 421462 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 82604788 is about 9088.7176213149. The cubic root of 82604788 is about 435.5136188837.

The spelling of 82604788 in words is "eighty-two million, six hundred four thousand, seven hundred eighty-eight".