82865829927540 has 96 divisors (see below), whose sum is σ = 253645874012160. Its totient is φ = 20046747164800.

The previous prime is 82865829927539. The next prime is 82865829927589. The reversal of 82865829927540 is 4572992856828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130742616 + ... + 131374895.

It is an arithmetic number, because the mean of its divisors is an integer number (2642144520960).

Almost surely, 2^{82865829927540} is an apocalyptic number.

It is an amenable number.

82865829927540 is an abundant number, since it is smaller than the sum of its proper divisors (170780044084620).

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

82865829927540 is a wasteful number, since it uses less digits than its factorization.

82865829927540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262118013 (or 262118011 counting only the distinct ones).

The product of its (nonzero) digits is 1393459200, while the sum is 75.

The spelling of 82865829927540 in words is "eighty-two trillion, eight hundred sixty-five billion, eight hundred twenty-nine million, nine hundred twenty-seven thousand, five hundred forty".