82122378653 has 8 divisors (see below), whose sum is σ = 94137696960. Its totient is φ = 70177947840.

The previous prime is 82122378631. The next prime is 82122378673. The reversal of 82122378653 is 35687322128.

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

It is not a de Polignac number, because 82122378653 - 2¹² = 82122374557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82122378598 and 82122378607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82122378673) 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, 17719388 + ... + 17724021.

It is an arithmetic number, because the mean of its divisors is an integer number (11767212120).

Almost surely, 2^82122378653 is an apocalyptic number.

It is an amenable number.

82122378653 is a deficient number, since it is larger than the sum of its proper divisors (12015318307).

82122378653 is a wasteful number, since it uses less digits than its factorization.

82122378653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35443747.

The product of its digits is 967680, while the sum is 47.

The spelling of 82122378653 in words is "eighty-two billion, one hundred twenty-two million, three hundred seventy-eight thousand, six hundred fifty-three".