874834072814661 has 16 divisors (see below), whose sum is σ = 1183906250454528. Its totient is φ = 574493057938800.

The previous prime is 874834072814657. The next prime is 874834072814789. The reversal of 874834072814661 is 166418270438478.

It is not a de Polignac number, because 874834072814661 - 2² = 874834072814657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874834072814651) 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, 89432385 + ... + 98731046.

It is an arithmetic number, because the mean of its divisors is an integer number (73994140653408).

Almost surely, 2^{874834072814661} is an apocalyptic number.

It is an amenable number.

874834072814661 is a deficient number, since it is larger than the sum of its proper divisors (309072177639867).

874834072814661 is a wasteful number, since it uses less digits than its factorization.

874834072814661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188186632.

The product of its (nonzero) digits is 346816512, while the sum is 69.

The spelling of 874834072814661 in words is "eight hundred seventy-four trillion, eight hundred thirty-four billion, seventy-two million, eight hundred fourteen thousand, six hundred sixty-one".