7987043 has 2 divisors, whose sum is σ = 7987044. Its totient is φ = 7987042.

The previous prime is 7987037. The next prime is 7987051. The reversal of 7987043 is 3407897.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7987043 - 2⁴ = 7987027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7986988 and 7987006.

It is not a weakly prime, because it can be changed into another prime (7987013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3993521 + 3993522.

It is an arithmetic number, because the mean of its divisors is an integer number (3993522).

Almost surely, 2^7987043 is an apocalyptic number.

7987043 is a deficient number, since it is larger than the sum of its proper divisors (1).

7987043 is an equidigital number, since it uses as much as digits as its factorization.

7987043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 7987043 is about 2826.1357009174. The cubic root of 7987043 is about 199.8919666545.

The spelling of 7987043 in words is "seven million, nine hundred eighty-seven thousand, forty-three".