201597876894 has 8 divisors (see below), whose sum is σ = 403195753800. Its totient is φ = 67199292296.

The previous prime is 201597876859. The next prime is 201597876919. The reversal of 201597876894 is 498678795102.

It is a sphenic number, since it is the product of 3 distinct primes.

201597876894 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16799823069 + ... + 16799823080.

It is an arithmetic number, because the mean of its divisors is an integer number (50399469225).

Almost surely, 2^201597876894 is an apocalyptic number.

201597876894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201597876894 is a wasteful number, since it uses less digits than its factorization.

201597876894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33599646154.

The product of its (nonzero) digits is 60963840, while the sum is 66.

The spelling of 201597876894 in words is "two hundred one billion, five hundred ninety-seven million, eight hundred seventy-six thousand, eight hundred ninety-four".