82873852505 has 8 divisors (see below), whose sum is σ = 99450794952. Its totient is φ = 66297634048.

The previous prime is 82873852499. The next prime is 82873852541. The reversal of 82873852505 is 50525837828.

It can be written as a sum of positive squares in 4 ways, for example, as 1819193104 + 81054659401 = 42652^2 + 284701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82873852505 - 2⁶ = 82873852441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114779 + ... + 422991.

It is an arithmetic number, because the mean of its divisors is an integer number (12431349369).

Almost surely, 2^82873852505 is an apocalyptic number.

It is an amenable number.

82873852505 is a deficient number, since it is larger than the sum of its proper divisors (16576942447).

82873852505 is a wasteful number, since it uses less digits than its factorization.

82873852505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361995.

The product of its (nonzero) digits is 5376000, while the sum is 53.

The spelling of 82873852505 in words is "eighty-two billion, eight hundred seventy-three million, eight hundred fifty-two thousand, five hundred five".