7990872446 has 8 divisors (see below), whose sum is σ = 12617167080. Its totient is φ = 3785150088.

The previous prime is 7990872443. The next prime is 7990872479. The reversal of 7990872446 is 6442780997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7990872391 and 7990872400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7990872443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105143021 + ... + 105143096.

It is an arithmetic number, because the mean of its divisors is an integer number (1577145885).

Almost surely, 2^7990872446 is an apocalyptic number.

7990872446 is a deficient number, since it is larger than the sum of its proper divisors (4626294634).

7990872446 is a wasteful number, since it uses less digits than its factorization.

7990872446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210286138.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The square root of 7990872446 is about 89391.6799596025. The cubic root of 7990872446 is about 1999.2390810379.

The spelling of 7990872446 in words is "seven billion, nine hundred ninety million, eight hundred seventy-two thousand, four hundred forty-six".