82873555 has 8 divisors (see below), whose sum is σ = 105298272. Its totient is φ = 62398848.

The previous prime is 82873541. The next prime is 82873579. The reversal of 82873555 is 55537828.

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 82873555 - 2⁵ = 82873523 is a prime.

It is a super-2 number, since 2×82873555² = 13736052236676050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487407 + ... + 487576.

It is an arithmetic number, because the mean of its divisors is an integer number (13162284).

Almost surely, 2^82873555 is an apocalyptic number.

82873555 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

82873555 is a deficient number, since it is larger than the sum of its proper divisors (22424717).

82873555 is a wasteful number, since it uses less digits than its factorization.

82873555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975005.

The product of its digits is 336000, while the sum is 43.

The square root of 82873555 is about 9103.4913632079. The cubic root of 82873555 is about 435.9854437106.

The spelling of 82873555 in words is "eighty-two million, eight hundred seventy-three thousand, five hundred fifty-five".