82415684774 has 8 divisors (see below), whose sum is σ = 124381954200. Its totient is φ = 40955033376.

The previous prime is 82415684753. The next prime is 82415684777. The reversal of 82415684774 is 47748651428.

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 (82415684777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126404099 + ... + 126404750.

It is an arithmetic number, because the mean of its divisors is an integer number (15547744275).

Almost surely, 2^82415684774 is an apocalyptic number.

82415684774 is a deficient number, since it is larger than the sum of its proper divisors (41966269426).

82415684774 is a wasteful number, since it uses less digits than its factorization.

82415684774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252809014.

The product of its digits is 12042240, while the sum is 56.

The spelling of 82415684774 in words is "eighty-two billion, four hundred fifteen million, six hundred eighty-four thousand, seven hundred seventy-four".