87879573563 has 2 divisors, whose sum is σ = 87879573564. Its totient is φ = 87879573562.

The previous prime is 87879573539. The next prime is 87879573589. The reversal of 87879573563 is 36537597878.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87879573563 - 2²⁴ = 87862796347 is a prime.

It is a super-2 number, since 2×87879573563² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87879573493 and 87879573502.

It is not a weakly prime, because it can be changed into another prime (87879573263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43939786781 + 43939786782.

It is an arithmetic number, because the mean of its divisors is an integer number (43939786782).

Almost surely, 2^87879573563 is an apocalyptic number.

87879573563 is a deficient number, since it is larger than the sum of its proper divisors (1).

87879573563 is an equidigital number, since it uses as much as digits as its factorization.

87879573563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 266716800, while the sum is 68.

The spelling of 87879573563 in words is "eighty-seven billion, eight hundred seventy-nine million, five hundred seventy-three thousand, five hundred sixty-three".