874261045657845 has 12 divisors (see below), whose sum is σ = 1515385812473676. Its totient is φ = 466272557684160.

The previous prime is 874261045657829. The next prime is 874261045657861. The reversal of 874261045657845 is 548756540162478.

874261045657845 is a `hidden beast` number, since 8 + 7 + 4 + 2 + 6 + 1 + 0 + 4 + 5 + 6 + 578 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (874261045657829) and next prime (874261045657861).

It can be written as a sum of positive squares in 2 ways, for example, as 379216656992196 + 495044388665649 = 19473486^2 + 22249593^2 .

It is not a de Polignac number, because 874261045657845 - 2⁴ = 874261045657829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9714011618376 + ... + 9714011618465.

It is an arithmetic number, because the mean of its divisors is an integer number (126282151039473).

Almost surely, 2^{874261045657845} is an apocalyptic number.

It is an amenable number.

874261045657845 is a deficient number, since it is larger than the sum of its proper divisors (641124766815831).

874261045657845 is a wasteful number, since it uses less digits than its factorization.

874261045657845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19428023236852 (or 19428023236849 counting only the distinct ones).

The product of its (nonzero) digits is 1806336000, while the sum is 72.

The spelling of 874261045657845 in words is "eight hundred seventy-four trillion, two hundred sixty-one billion, forty-five million, six hundred fifty-seven thousand, eight hundred forty-five".