87570873847 has 2 divisors, whose sum is σ = 87570873848. Its totient is φ = 87570873846.

The previous prime is 87570873839. The next prime is 87570873853. The reversal of 87570873847 is 74837807578.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87570873847 - 2³ = 87570873839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87570873857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43785436923 + 43785436924.

It is an arithmetic number, because the mean of its divisors is an integer number (43785436924).

Almost surely, 2^87570873847 is an apocalyptic number.

87570873847 is a deficient number, since it is larger than the sum of its proper divisors (1).

87570873847 is an equidigital number, since it uses as much as digits as its factorization.

87570873847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73758720, while the sum is 64.

The spelling of 87570873847 in words is "eighty-seven billion, five hundred seventy million, eight hundred seventy-three thousand, eight hundred forty-seven".