82739542004 has 48 divisors (see below), whose sum is σ = 170963874816. Its totient is φ = 34286457600.

The previous prime is 82739542001. The next prime is 82739542009. The reversal of 82739542004 is 40024593728.

It is a super-2 number, since 2×82739542004² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82739542001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 984752 + ... + 1065464.

It is an arithmetic number, because the mean of its divisors is an integer number (3561747392).

Almost surely, 2^82739542004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82739542004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85481937408).

82739542004 is an abundant number, since it is smaller than the sum of its proper divisors (88224332812).

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

82739542004 is a wasteful number, since it uses less digits than its factorization.

82739542004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81936 (or 81934 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 82739542004 in words is "eighty-two billion, seven hundred thirty-nine million, five hundred forty-two thousand, four".