82803918550 has 24 divisors (see below), whose sum is σ = 154155787416. Its totient is φ = 33091352640.

The previous prime is 82803918541. The next prime is 82803918551. The reversal of 82803918550 is 5581930828.

It is a junction number, because it is equal to n+sod(n) for n = 82803918494 and 82803918503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82803918551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 699972 + ... + 809671.

It is an arithmetic number, because the mean of its divisors is an integer number (6423157809).

Almost surely, 2^82803918550 is an apocalyptic number.

82803918550 is a deficient number, since it is larger than the sum of its proper divisors (71351868866).

82803918550 is a wasteful number, since it uses less digits than its factorization.

82803918550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510752 (or 1510747 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 49.

The spelling of 82803918550 in words is "eighty-two billion, eight hundred three million, nine hundred eighteen thousand, five hundred fifty".