82045639357 has 8 divisors (see below), whose sum is σ = 90582700320. Its totient is φ = 73688306160.

The previous prime is 82045639349. The next prime is 82045639367. The reversal of 82045639357 is 75393654028.

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 82045639357 - 2³ = 82045639349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82045639367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44930982 + ... + 44932807.

It is an arithmetic number, because the mean of its divisors is an integer number (11322837540).

Almost surely, 2^82045639357 is an apocalyptic number.

It is an amenable number.

82045639357 is a deficient number, since it is larger than the sum of its proper divisors (8537060963).

82045639357 is a wasteful number, since it uses less digits than its factorization.

82045639357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89863883.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 82045639357 in words is "eighty-two billion, forty-five million, six hundred thirty-nine thousand, three hundred fifty-seven".