870900110897 has 2 divisors, whose sum is σ = 870900110898. Its totient is φ = 870900110896.

The previous prime is 870900110881. The next prime is 870900110909. The reversal of 870900110897 is 798011009078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 560343570721 + 310556540176 = 748561^2 + 557276^2 .

It is a cyclic number.

It is not a de Polignac number, because 870900110897 - 2⁴ = 870900110881 is a prime.

It is not a weakly prime, because it can be changed into another prime (870903110897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435450055448 + 435450055449.

It is an arithmetic number, because the mean of its divisors is an integer number (435450055449).

Almost surely, 2^870900110897 is an apocalyptic number.

It is an amenable number.

870900110897 is a deficient number, since it is larger than the sum of its proper divisors (1).

870900110897 is an equidigital number, since it uses as much as digits as its factorization.

870900110897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 50.

The spelling of 870900110897 in words is "eight hundred seventy billion, nine hundred million, one hundred ten thousand, eight hundred ninety-seven".