82162783988 has 36 divisors (see below), whose sum is σ = 158219228160. Its totient is φ = 37227055536.

The previous prime is 82162783961. The next prime is 82162784023. The reversal of 82162783988 is 88938726128.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 82162783988.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 981620 + ... + 1062027.

It is an arithmetic number, because the mean of its divisors is an integer number (4394978560).

Almost surely, 2^82162783988 is an apocalyptic number.

It is an amenable number.

82162783988 is a deficient number, since it is larger than the sum of its proper divisors (76056444172).

82162783988 is a wasteful number, since it uses less digits than its factorization.

82162783988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043716 (or 2043691 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 62.

The spelling of 82162783988 in words is "eighty-two billion, one hundred sixty-two million, seven hundred eighty-three thousand, nine hundred eighty-eight".