82141782574 has 8 divisors (see below), whose sum is σ = 123433883208. Its totient is φ = 40997154840.

The previous prime is 82141782493. The next prime is 82141782581. The reversal of 82141782574 is 47528714128.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36866832 + ... + 36869059.

It is an arithmetic number, because the mean of its divisors is an integer number (15429235401).

Almost surely, 2^82141782574 is an apocalyptic number.

82141782574 is a deficient number, since it is larger than the sum of its proper divisors (41292100634).

82141782574 is a wasteful number, since it uses less digits than its factorization.

82141782574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73736450.

The product of its digits is 1003520, while the sum is 49.

The spelling of 82141782574 in words is "eighty-two billion, one hundred forty-one million, seven hundred eighty-two thousand, five hundred seventy-four".