82502557507 has 2 divisors, whose sum is σ = 82502557508. Its totient is φ = 82502557506.

The previous prime is 82502557469. The next prime is 82502557559. The reversal of 82502557507 is 70575520528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82502557507 - 2¹⁹ = 82502033219 is a prime.

It is not a weakly prime, because it can be changed into another prime (82502557567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41251278753 + 41251278754.

It is an arithmetic number, because the mean of its divisors is an integer number (41251278754).

Almost surely, 2^82502557507 is an apocalyptic number.

82502557507 is a deficient number, since it is larger than the sum of its proper divisors (1).

82502557507 is an equidigital number, since it uses as much as digits as its factorization.

82502557507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 980000, while the sum is 46.

The spelling of 82502557507 in words is "eighty-two billion, five hundred two million, five hundred fifty-seven thousand, five hundred seven".