82748791072 has 48 divisors (see below), whose sum is σ = 166423565952. Its totient is φ = 40482973440.

The previous prime is 82748791067. The next prime is 82748791079. The reversal of 82748791072 is 27019784728.

It is not an unprimeable number, because it can be changed into a prime (82748791079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9219547 + ... + 9228517.

It is an arithmetic number, because the mean of its divisors is an integer number (3467157624).

Almost surely, 2^82748791072 is an apocalyptic number.

It is an amenable number.

82748791072 is an abundant number, since it is smaller than the sum of its proper divisors (83674774880).

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

82748791072 is a wasteful number, since it uses less digits than its factorization.

82748791072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15161 (or 15153 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 55.

The spelling of 82748791072 in words is "eighty-two billion, seven hundred forty-eight million, seven hundred ninety-one thousand, seventy-two".