82378952411 has 4 divisors (see below), whose sum is σ = 94147374192. Its totient is φ = 70610530632.

The previous prime is 82378952407. The next prime is 82378952449. The reversal of 82378952411 is 11425987328.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82378952411 - 2² = 82378952407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82378952411.

It is not an unprimeable number, because it can be changed into a prime (82378972411) 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, 5884210880 + ... + 5884210893.

It is an arithmetic number, because the mean of its divisors is an integer number (23536843548).

Almost surely, 2^82378952411 is an apocalyptic number.

82378952411 is a deficient number, since it is larger than the sum of its proper divisors (11768421781).

82378952411 is a wasteful number, since it uses less digits than its factorization.

82378952411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11768421780.

The product of its digits is 967680, while the sum is 50.

The spelling of 82378952411 in words is "eighty-two billion, three hundred seventy-eight million, nine hundred fifty-two thousand, four hundred eleven".