8342738387 has 2 divisors, whose sum is σ = 8342738388. Its totient is φ = 8342738386.

The previous prime is 8342738363. The next prime is 8342738401. The reversal of 8342738387 is 7838372438.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8342738387 is a prime.

It is not a weakly prime, because it can be changed into another prime (8342738317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4171369193 + 4171369194.

It is an arithmetic number, because the mean of its divisors is an integer number (4171369194).

Almost surely, 2^8342738387 is an apocalyptic number.

8342738387 is a deficient number, since it is larger than the sum of its proper divisors (1).

8342738387 is an equidigital number, since it uses as much as digits as its factorization.

8342738387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5419008, while the sum is 53.

The square root of 8342738387 is about 91338.5919915563. The cubic root of 8342738387 is about 2028.1630909192.

The spelling of 8342738387 in words is "eight billion, three hundred forty-two million, seven hundred thirty-eight thousand, three hundred eighty-seven".