7009408836 has 36 divisors (see below), whose sum is σ = 17824340352. Its totient is φ = 2322476784.

The previous prime is 7009408823. The next prime is 7009408877. The reversal of 7009408836 is 6388049007.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 7009408791 and 7009408800.

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, 576940 + ... + 588963.

Almost surely, 2^7009408836 is an apocalyptic number.

It is an amenable number.

7009408836 is an abundant number, since it is smaller than the sum of its proper divisors (10814931516).

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

7009408836 is a wasteful number, since it uses less digits than its factorization.

7009408836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166080 (or 1166075 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 7009408836 is about 83722.2123214622. The cubic root of 7009408836 is about 1913.7878683805.

The spelling of 7009408836 in words is "seven billion, nine million, four hundred eight thousand, eight hundred thirty-six".