82947316788 has 120 divisors (see below), whose sum is σ = 260861092800. Its totient is φ = 22451893632.

The previous prime is 82947316783. The next prime is 82947316841. The reversal of 82947316788 is 88761374928.

82947316788 is a `hidden beast` number, since 8 + 29 + 473 + 1 + 67 + 88 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82947316783) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 919353 + ... + 1005536.

It is an arithmetic number, because the mean of its divisors is an integer number (2173842440).

Almost surely, 2^82947316788 is an apocalyptic number.

It is an amenable number.

82947316788 is an abundant number, since it is smaller than the sum of its proper divisors (177913776012).

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

82947316788 is a wasteful number, since it uses less digits than its factorization.

82947316788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924931 (or 1924920 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 63.

The spelling of 82947316788 in words is "eighty-two billion, nine hundred forty-seven million, three hundred sixteen thousand, seven hundred eighty-eight".