82899078084 has 81 divisors (see below), whose sum is σ = 214313735181. Its totient is φ = 27018600480.

The previous prime is 82899078029. The next prime is 82899078107. The reversal of 82899078084 is 48087099828.

It is a happy number.

The square root of 82899078084 is 287922.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 48258423684 + 34640654400 = 219678^2 + 186120^2 .

It is a super-2 number, since 2×82899078084² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 81193494 + ... + 81194514.

Almost surely, 2^82899078084 is an apocalyptic number.

82899078084 is the 287922-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82899078084

82899078084 is an abundant number, since it is smaller than the sum of its proper divisors (131414657097).

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

82899078084 is a wasteful number, since it uses less digits than its factorization.

82899078084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 63.

The spelling of 82899078084 in words is "eighty-two billion, eight hundred ninety-nine million, seventy-eight thousand, eighty-four".