52500666678 has 8 divisors (see below), whose sum is σ = 105001333368. Its totient is φ = 17500222224.

The previous prime is 52500666649. The next prime is 52500666689. The reversal of 52500666678 is 87666600525.

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

52500666678 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 52500666678.

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, 4375055551 + ... + 4375055562.

It is an arithmetic number, because the mean of its divisors is an integer number (13125166671).

Almost surely, 2^52500666678 is an apocalyptic number.

52500666678 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.

52500666678 is a wasteful number, since it uses less digits than its factorization.

52500666678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8750111118.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 52500666678 in words is "fifty-two billion, five hundred million, six hundred sixty-six thousand, six hundred seventy-eight".