7487795993 has 2 divisors, whose sum is σ = 7487795994. Its totient is φ = 7487795992.

The previous prime is 7487795977. The next prime is 7487795999. The reversal of 7487795993 is 3995977847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4312811584 + 3174984409 = 65672^2 + 56347^2 .

It is an emirp because it is prime and its reverse (3995977847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7487795993 - 2⁴ = 7487795977 is a prime.

It is not a weakly prime, because it can be changed into another prime (7487795999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3743897996 + 3743897997.

It is an arithmetic number, because the mean of its divisors is an integer number (3743897997).

Almost surely, 2^7487795993 is an apocalyptic number.

It is an amenable number.

7487795993 is a deficient number, since it is larger than the sum of its proper divisors (1).

7487795993 is an equidigital number, since it uses as much as digits as its factorization.

7487795993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120022560, while the sum is 68.

The square root of 7487795993 is about 86532.0518247430. The cubic root of 7487795993 is about 1956.3715314767.

The spelling of 7487795993 in words is "seven billion, four hundred eighty-seven million, seven hundred ninety-five thousand, nine hundred ninety-three".