82854490357 has 2 divisors, whose sum is σ = 82854490358. Its totient is φ = 82854490356.

The previous prime is 82854490219. The next prime is 82854490361. The reversal of 82854490357 is 75309445828.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51042557476 + 31811932881 = 225926^2 + 178359^2 .

It is a cyclic number.

It is not a de Polignac number, because 82854490357 - 2²³ = 82846101749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82854490298 and 82854490307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82854490157) 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 as a sum of consecutive naturals, namely, 41427245178 + 41427245179.

It is an arithmetic number, because the mean of its divisors is an integer number (41427245179).

Almost surely, 2^82854490357 is an apocalyptic number.

It is an amenable number.

82854490357 is a deficient number, since it is larger than the sum of its proper divisors (1).

82854490357 is an equidigital number, since it uses as much as digits as its factorization.

82854490357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 82854490357 in words is "eighty-two billion, eight hundred fifty-four million, four hundred ninety thousand, three hundred fifty-seven".