84265542633487 has 2 divisors, whose sum is σ = 84265542633488. Its totient is φ = 84265542633486.

The previous prime is 84265542633479. The next prime is 84265542633557. The reversal of 84265542633487 is 78433624556248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84265542633487 - 2³ = 84265542633479 is a prime.

It is a super-2 number, since 2×84265542633487² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84265542633427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42132771316743 + 42132771316744.

It is an arithmetic number, because the mean of its divisors is an integer number (42132771316744).

Almost surely, 2^{84265542633487} is an apocalyptic number.

84265542633487 is a deficient number, since it is larger than the sum of its proper divisors (1).

84265542633487 is an equidigital number, since it uses as much as digits as its factorization.

84265542633487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 928972800, while the sum is 67.

The spelling of 84265542633487 in words is "eighty-four trillion, two hundred sixty-five billion, five hundred forty-two million, six hundred thirty-three thousand, four hundred eighty-seven".