87453867015863 has 2 divisors, whose sum is σ = 87453867015864. Its totient is φ = 87453867015862.

The previous prime is 87453867015797. The next prime is 87453867015883. The reversal of 87453867015863 is 36851076835478.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87453867015863 - 2¹² = 87453867011767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87453867015883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43726933507931 + 43726933507932.

It is an arithmetic number, because the mean of its divisors is an integer number (43726933507932).

Almost surely, 2^{87453867015863} is an apocalyptic number.

87453867015863 is a deficient number, since it is larger than the sum of its proper divisors (1).

87453867015863 is an equidigital number, since it uses as much as digits as its factorization.

87453867015863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 812851200, while the sum is 71.

The spelling of 87453867015863 in words is "eighty-seven trillion, four hundred fifty-three billion, eight hundred sixty-seven million, fifteen thousand, eight hundred sixty-three".