340576491587 has 2 divisors, whose sum is σ = 340576491588. Its totient is φ = 340576491586.

The previous prime is 340576491533. The next prime is 340576491611. The reversal of 340576491587 is 785194675043.

It is a strong prime.

It is an emirp because it is prime and its reverse (785194675043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340576491587 - 2¹⁸ = 340576229443 is a prime.

It is not a weakly prime, because it can be changed into another prime (340576491287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170288245793 + 170288245794.

It is an arithmetic number, because the mean of its divisors is an integer number (170288245794).

Almost surely, 2^340576491587 is an apocalyptic number.

340576491587 is a deficient number, since it is larger than the sum of its proper divisors (1).

340576491587 is an equidigital number, since it uses as much as digits as its factorization.

340576491587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25401600, while the sum is 59.

The spelling of 340576491587 in words is "three hundred forty billion, five hundred seventy-six million, four hundred ninety-one thousand, five hundred eighty-seven".