2000578686 has 16 divisors (see below), whose sum is σ = 4175121024. Its totient is φ = 637865624.

The previous prime is 2000578673. The next prime is 2000578687. The reversal of 2000578686 is 6868750002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000578687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7248336 + ... + 7248611.

It is an arithmetic number, because the mean of its divisors is an integer number (260945064).

Almost surely, 2^2000578686 is an apocalyptic number.

2000578686 is an abundant number, since it is smaller than the sum of its proper divisors (2174542338).

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

2000578686 is a wasteful number, since it uses less digits than its factorization.

2000578686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14496975.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 2000578686 is about 44727.8289882261. The cubic root of 2000578686 is about 1260.0425546222.

The spelling of 2000578686 in words is "two billion, five hundred seventy-eight thousand, six hundred eighty-six".