82793855 has 8 divisors (see below), whose sum is σ = 99403200. Its totient is φ = 66201376.

The previous prime is 82793833. The next prime is 82793861. The reversal of 82793855 is 55839728.

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 82793855 - 2¹⁸ = 82531711 is a prime.

It is a super-2 number, since 2×82793855² = 13709644851522050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 12941 + ... + 18249.

It is an arithmetic number, because the mean of its divisors is an integer number (12425400).

Almost surely, 2^82793855 is an apocalyptic number.

82793855 is a deficient number, since it is larger than the sum of its proper divisors (16609345).

82793855 is a wasteful number, since it uses less digits than its factorization.

82793855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8433.

The product of its digits is 604800, while the sum is 47.

The square root of 82793855 is about 9099.1128688461. The cubic root of 82793855 is about 435.8456356020.

The spelling of 82793855 in words is "eighty-two million, seven hundred ninety-three thousand, eight hundred fifty-five".