871764614062045 has 32 divisors (see below), whose sum is σ = 1161241266766464. Its totient is φ = 622910761401600.

The previous prime is 871764614062009. The next prime is 871764614062061. The reversal of 871764614062045 is 540260416467178.

It is not a de Polignac number, because 871764614062045 - 2⁷ = 871764614061917 is a prime.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144172542 + ... + 150097471.

It is an arithmetic number, because the mean of its divisors is an integer number (36288789586452).

Almost surely, 2^{871764614062045} is an apocalyptic number.

It is an amenable number.

871764614062045 is a deficient number, since it is larger than the sum of its proper divisors (289476652704419).

871764614062045 is a wasteful number, since it uses less digits than its factorization.

871764614062045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294270973.

The product of its (nonzero) digits is 54190080, while the sum is 61.

The spelling of 871764614062045 in words is "eight hundred seventy-one trillion, seven hundred sixty-four billion, six hundred fourteen million, sixty-two thousand, forty-five".