870877061 has 2 divisors, whose sum is σ = 870877062. Its totient is φ = 870877060.

The previous prime is 870877039. The next prime is 870877087. The reversal of 870877061 is 160778078.

870877061 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., 459030625 + 411846436 = 21425^2 + 20294^2 .

It is a cyclic number.

It is not a de Polignac number, because 870877061 - 2⁶ = 870876997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (870877361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435438530 + 435438531.

It is an arithmetic number, because the mean of its divisors is an integer number (435438531).

Almost surely, 2^870877061 is an apocalyptic number.

It is an amenable number.

870877061 is a deficient number, since it is larger than the sum of its proper divisors (1).

870877061 is an equidigital number, since it uses as much as digits as its factorization.

870877061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131712, while the sum is 44.

The square root of 870877061 is about 29510.6262386958. The cubic root of 870877061 is about 954.9609592695.

The spelling of 870877061 in words is "eight hundred seventy million, eight hundred seventy-seven thousand, sixty-one".