7999946437 has 8 divisors (see below), whose sum is σ = 9329384000. Its totient is φ = 6857096652.

The previous prime is 7999946413. The next prime is 7999946441. The reversal of 7999946437 is 7346499997.

It is a de Polignac number, because none of the positive numbers 2^k-7999946437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7999946237) 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, 11661387 + ... + 11662072.

It is an arithmetic number, because the mean of its divisors is an integer number (1166173000).

Almost surely, 2^7999946437 is an apocalyptic number.

It is an amenable number.

7999946437 is a deficient number, since it is larger than the sum of its proper divisors (1329437563).

7999946437 is an equidigital number, since it uses as much as digits as its factorization.

7999946437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23323480 (or 23323466 counting only the distinct ones).

The product of its digits is 92588832, while the sum is 67.

The square root of 7999946437 is about 89442.4196732177. The cubic root of 7999946437 is about 1999.9955364067.

The spelling of 7999946437 in words is "seven billion, nine hundred ninety-nine million, nine hundred forty-six thousand, four hundred thirty-seven".