87453867017879 has 2 divisors, whose sum is σ = 87453867017880. Its totient is φ = 87453867017878.

The previous prime is 87453867017801. The next prime is 87453867017887. The reversal of 87453867017879 is 97871076835478.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87453867017879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87453867017779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43726933508939 + 43726933508940.

It is an arithmetic number, because the mean of its divisors is an integer number (43726933508940).

Almost surely, 2^{87453867017879} is an apocalyptic number.

87453867017879 is a deficient number, since it is larger than the sum of its proper divisors (1).

87453867017879 is an equidigital number, since it uses as much as digits as its factorization.

87453867017879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3982970880, while the sum is 80.

The spelling of 87453867017879 in words is "eighty-seven trillion, four hundred fifty-three billion, eight hundred sixty-seven million, seventeen thousand, eight hundred seventy-nine".