871640024794 has 32 divisors (see below), whose sum is σ = 1644505566336. Its totient is φ = 336594693120.

The previous prime is 871640024771. The next prime is 871640024861. The reversal of 871640024794 is 497420046178.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25026847 + ... + 25061650.

It is an arithmetic number, because the mean of its divisors is an integer number (51390798948).

Almost surely, 2^871640024794 is an apocalyptic number.

871640024794 is a deficient number, since it is larger than the sum of its proper divisors (772865541542).

871640024794 is a wasteful number, since it uses less digits than its factorization.

871640024794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50088630.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 871640024794 in words is "eight hundred seventy-one billion, six hundred forty million, twenty-four thousand, seven hundred ninety-four".