870677748435571 has 2 divisors, whose sum is σ = 870677748435572. Its totient is φ = 870677748435570.

The previous prime is 870677748435511. The next prime is 870677748435613. The reversal of 870677748435571 is 175534847776078.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 870677748435571 - 2⁹ = 870677748435059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 870677748435491 and 870677748435500.

It is not a weakly prime, because it can be changed into another prime (870677748435511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435338874217785 + 435338874217786.

It is an arithmetic number, because the mean of its divisors is an integer number (435338874217786).

Almost surely, 2^{870677748435571} is an apocalyptic number.

870677748435571 is a deficient number, since it is larger than the sum of its proper divisors (1).

870677748435571 is an equidigital number, since it uses as much as digits as its factorization.

870677748435571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7744665600, while the sum is 79.

The spelling of 870677748435571 in words is "eight hundred seventy trillion, six hundred seventy-seven billion, seven hundred forty-eight million, four hundred thirty-five thousand, five hundred seventy-one".