82844256788 has 6 divisors (see below), whose sum is σ = 144977449386. Its totient is φ = 41422128392.

The previous prime is 82844256763. The next prime is 82844256793. The reversal of 82844256788 is 88765244828.

It can be written as a sum of positive squares in only one way, i.e., 49418179204 + 33426077584 = 222302^2 + 182828^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 82844256788.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10355532095 + ... + 10355532102.

It is an arithmetic number, because the mean of its divisors is an integer number (24162908231).

Almost surely, 2^82844256788 is an apocalyptic number.

It is an amenable number.

82844256788 is a deficient number, since it is larger than the sum of its proper divisors (62133192598).

82844256788 is a wasteful number, since it uses less digits than its factorization.

82844256788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20711064201 (or 20711064199 counting only the distinct ones).

The product of its digits is 55050240, while the sum is 62.

The spelling of 82844256788 in words is "eighty-two billion, eight hundred forty-four million, two hundred fifty-six thousand, seven hundred eighty-eight".