82351854820357 has 4 divisors (see below), whose sum is σ = 82425186838240. Its totient is φ = 82278522802476.

The previous prime is 82351854820349. The next prime is 82351854820369. The reversal of 82351854820357 is 75302845815328.

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 82351854820357 - 2³ = 82351854820349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82351854820295 and 82351854820304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82351854827357) 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 3 ways as a sum of consecutive naturals, for example, 36666007257 + ... + 36666009502.

It is an arithmetic number, because the mean of its divisors is an integer number (20606296709560).

Almost surely, 2^{82351854820357} is an apocalyptic number.

It is an amenable number.

82351854820357 is a deficient number, since it is larger than the sum of its proper divisors (73332017883).

82351854820357 is a wasteful number, since it uses less digits than its factorization.

82351854820357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73332017882.

The product of its (nonzero) digits is 64512000, while the sum is 61.

The spelling of 82351854820357 in words is "eighty-two trillion, three hundred fifty-one billion, eight hundred fifty-four million, eight hundred twenty thousand, three hundred fifty-seven".