82780300327553 has 4 divisors (see below), whose sum is σ = 82784988056880. Its totient is φ = 82775612598228.

The previous prime is 82780300327507. The next prime is 82780300327567. The reversal of 82780300327553 is 35572300308728.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82780300327553 - 2²⁴ = 82780283550337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82780300327495 and 82780300327504.

It is not an unprimeable number, because it can be changed into a prime (82780300326553) 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, 2343838175 + ... + 2343873492.

It is an arithmetic number, because the mean of its divisors is an integer number (20696247014220).

Almost surely, 2^{82780300327553} is an apocalyptic number.

It is an amenable number.

82780300327553 is a deficient number, since it is larger than the sum of its proper divisors (4687729327).

82780300327553 is a wasteful number, since it uses less digits than its factorization.

82780300327553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4687729326.

The product of its (nonzero) digits is 8467200, while the sum is 53.

The spelling of 82780300327553 in words is "eighty-two trillion, seven hundred eighty billion, three hundred million, three hundred twenty-seven thousand, five hundred fifty-three".