82578302780255 has 8 divisors (see below), whose sum is σ = 99126042980400. Its totient is φ = 66041255794816.

The previous prime is 82578302780251. The next prime is 82578302780263. The reversal of 82578302780255 is 55208720387528.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 82578302780255 - 2² = 82578302780251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82578302780251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2673286685 + ... + 2673317574.

It is an arithmetic number, because the mean of its divisors is an integer number (12390755372550).

Almost surely, 2^{82578302780255} is an apocalyptic number.

82578302780255 is a deficient number, since it is larger than the sum of its proper divisors (16547740200145).

82578302780255 is a wasteful number, since it uses less digits than its factorization.

82578302780255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5346607353.

The product of its (nonzero) digits is 75264000, while the sum is 62.

The spelling of 82578302780255 in words is "eighty-two trillion, five hundred seventy-eight billion, three hundred two million, seven hundred eighty thousand, two hundred fifty-five".