870641207083157 has 2 divisors, whose sum is σ = 870641207083158. Its totient is φ = 870641207083156.

The previous prime is 870641207083103. The next prime is 870641207083243. The reversal of 870641207083157 is 751380702146078.

It is a happy number.

870641207083157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 856821356223121 + 13819850860036 = 29271511^2 + 3717506^2 .

It is a cyclic number.

It is not a de Polignac number, because 870641207083157 - 2⁴⁶ = 800272462905493 is a prime.

It is a super-2 number, since 2×870641207083157² (a number of 31 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 870641207083096 and 870641207083105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (870641207083757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435320603541578 + 435320603541579.

It is an arithmetic number, because the mean of its divisors is an integer number (435320603541579).

Almost surely, 2^{870641207083157} is an apocalyptic number.

It is an amenable number.

870641207083157 is a deficient number, since it is larger than the sum of its proper divisors (1).

870641207083157 is an equidigital number, since it uses as much as digits as its factorization.

870641207083157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15805440, while the sum is 59.

The spelling of 870641207083157 in words is "eight hundred seventy trillion, six hundred forty-one billion, two hundred seven million, eighty-three thousand, one hundred fifty-seven".