82919061 has 12 divisors (see below), whose sum is σ = 120833388. Its totient is φ = 54789504.

The previous prime is 82919041. The next prime is 82919063. The reversal of 82919061 is 16091928.

It can be written as a sum of positive squares in 2 ways, for example, as 35928036 + 46991025 = 5994^2 + 6855^2 .

It is not a de Polignac number, because 82919061 - 2⁵ = 82919029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82919063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39750 + ... + 41783.

It is an arithmetic number, because the mean of its divisors is an integer number (10069449).

Almost surely, 2^82919061 is an apocalyptic number.

It is an amenable number.

82919061 is a deficient number, since it is larger than the sum of its proper divisors (37914327).

82919061 is a wasteful number, since it uses less digits than its factorization.

82919061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81652 (or 81649 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 82919061 is about 9105.9903909460. The cubic root of 82919061 is about 436.0652292077.

The spelling of 82919061 in words is "eighty-two million, nine hundred nineteen thousand, sixty-one".