82878404853 has 8 divisors (see below), whose sum is σ = 111208391008. Its totient is φ = 54900344304.

The previous prime is 82878404837. The next prime is 82878404857. The reversal of 82878404853 is 35840487828.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82878404853 - 2⁴ = 82878404837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82878404793 and 82878404802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82878404857) 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, 87980851 + ... + 87981792.

It is an arithmetic number, because the mean of its divisors is an integer number (13901048876).

Almost surely, 2^82878404853 is an apocalyptic number.

It is an amenable number.

82878404853 is a deficient number, since it is larger than the sum of its proper divisors (28329986155).

82878404853 is a wasteful number, since it uses less digits than its factorization.

82878404853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175962803.

The product of its (nonzero) digits is 13762560, while the sum is 57.

The spelling of 82878404853 in words is "eighty-two billion, eight hundred seventy-eight million, four hundred four thousand, eight hundred fifty-three".