7993432836 has 45 divisors (see below), whose sum is σ = 20900620279. Its totient is φ = 2663941176.

The previous prime is 7993432823. The next prime is 7993432859. The reversal of 7993432836 is 6382343997.

The square root of 7993432836 is 89406.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1606825 + ... + 1611791.

Almost surely, 2^7993432836 is an apocalyptic number.

7993432836 is the 89406-th square number.

It is an amenable number.

7993432836 is an abundant number, since it is smaller than the sum of its proper divisors (12907187443).

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

7993432836 is an frugal number, since it uses more digits than its factorization.

7993432836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9950 (or 4972 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 54.

The cubic root of 7993432836 is about 1999.4525865162.

The spelling of 7993432836 in words is "seven billion, nine hundred ninety-three million, four hundred thirty-two thousand, eight hundred thirty-six".