82862642550 has 48 divisors (see below), whose sum is σ = 206318169792. Its totient is φ = 22008660000.

The previous prime is 82862642549. The next prime is 82862642561. The reversal of 82862642550 is 5524626828.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 82862642550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1062784 + ... + 1138083.

It is an arithmetic number, because the mean of its divisors is an integer number (4298295204).

Almost surely, 2^82862642550 is an apocalyptic number.

82862642550 is an abundant number, since it is smaller than the sum of its proper divisors (123455527242).

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

82862642550 is a wasteful number, since it uses less digits than its factorization.

82862642550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201133 (or 2201128 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 82862642550 in words is "eighty-two billion, eight hundred sixty-two million, six hundred forty-two thousand, five hundred fifty".