808072878723 has 16 divisors (see below), whose sum is σ = 1204046508672. Its totient is φ = 477796232000.

The previous prime is 808072878689. The next prime is 808072878737. The reversal of 808072878723 is 327878270808.

It is a cyclic number.

It is not a de Polignac number, because 808072878723 - 2⁸ = 808072878467 is a prime.

It is a super-2 number, since 2×808072878723² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (808072878773) 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 15 ways as a sum of consecutive naturals, for example, 298621293 + ... + 298623998.

It is an arithmetic number, because the mean of its divisors is an integer number (75252906792).

Almost surely, 2^808072878723 is an apocalyptic number.

808072878723 is a deficient number, since it is larger than the sum of its proper divisors (395973629949).

808072878723 is a wasteful number, since it uses less digits than its factorization.

808072878723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597245346.

The product of its (nonzero) digits is 16859136, while the sum is 60.

The spelling of 808072878723 in words is "eight hundred eight billion, seventy-two million, eight hundred seventy-eight thousand, seven hundred twenty-three".