808578957852 has 36 divisors (see below), whose sum is σ = 2045094327640. Its totient is φ = 269369870112.

The previous prime is 808578957829. The next prime is 808578957863. The reversal of 808578957852 is 258759875808.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6455827 + ... + 6579882.

Almost surely, 2^808578957852 is an apocalyptic number.

It is an amenable number.

808578957852 is an abundant number, since it is smaller than the sum of its proper divisors (1236515369788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

808578957852 is a wasteful number, since it uses less digits than its factorization.

808578957852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13037442 (or 13037437 counting only the distinct ones).

The product of its (nonzero) digits is 451584000, while the sum is 72.

The spelling of 808578957852 in words is "eight hundred eight billion, five hundred seventy-eight million, nine hundred fifty-seven thousand, eight hundred fifty-two".