82761535506 has 32 divisors (see below), whose sum is σ = 188741242368. Its totient is φ = 23967141120.

The previous prime is 82761535447. The next prime is 82761535547. The reversal of 82761535506 is 60553516728.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31205890 + ... + 31208541.

It is an arithmetic number, because the mean of its divisors is an integer number (5898163824).

Almost surely, 2^82761535506 is an apocalyptic number.

82761535506 is an abundant number, since it is smaller than the sum of its proper divisors (105979706862).

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

82761535506 is a wasteful number, since it uses less digits than its factorization.

82761535506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62414466.

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 82761535506 in words is "eighty-two billion, seven hundred sixty-one million, five hundred thirty-five thousand, five hundred six".