82780275053 has 8 divisors (see below), whose sum is σ = 94697091840. Its totient is φ = 70886224080.

The previous prime is 82780275049. The next prime is 82780275079. The reversal of 82780275053 is 35057208728.

It is a happy number.

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

It is not a de Polignac number, because 82780275053 - 2² = 82780275049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82780274989 and 82780275007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82780215053) 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 7 ways as a sum of consecutive naturals, for example, 5683658 + ... + 5698203.

It is an arithmetic number, because the mean of its divisors is an integer number (11837136480).

Almost surely, 2^82780275053 is an apocalyptic number.

It is an amenable number.

82780275053 is a deficient number, since it is larger than the sum of its proper divisors (11916816787).

82780275053 is a wasteful number, since it uses less digits than its factorization.

82780275053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11382907.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 82780275053 in words is "eighty-two billion, seven hundred eighty million, two hundred seventy-five thousand, fifty-three".