82716155782 has 8 divisors (see below), whose sum is σ = 133618405536. Its totient is φ = 38176687272.

The previous prime is 82716155773. The next prime is 82716155783. The reversal of 82716155782 is 28755161728.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82716155783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1590695278 + ... + 1590695329.

It is an arithmetic number, because the mean of its divisors is an integer number (16702300692).

Almost surely, 2^82716155782 is an apocalyptic number.

82716155782 is a deficient number, since it is larger than the sum of its proper divisors (50902249754).

82716155782 is a wasteful number, since it uses less digits than its factorization.

82716155782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181390622.

The product of its digits is 1881600, while the sum is 52.

The spelling of 82716155782 in words is "eighty-two billion, seven hundred sixteen million, one hundred fifty-five thousand, seven hundred eighty-two".