874261045657847 has 16 divisors (see below), whose sum is σ = 875608858701408. Its totient is φ = 872914223301120.

The previous prime is 874261045657829. The next prime is 874261045657861. The reversal of 874261045657847 is 748756540162478.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-874261045657847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874261045653847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19618518788 + ... + 19618563350.

It is an arithmetic number, because the mean of its divisors is an integer number (54725553668838).

Almost surely, 2^{874261045657847} is an apocalyptic number.

874261045657847 is a deficient number, since it is larger than the sum of its proper divisors (1347813043561).

874261045657847 is a wasteful number, since it uses less digits than its factorization.

874261045657847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55010.

The product of its (nonzero) digits is 2528870400, while the sum is 74.

The spelling of 874261045657847 in words is "eight hundred seventy-four trillion, two hundred sixty-one billion, forty-five million, six hundred fifty-seven thousand, eight hundred forty-seven".