8720538357854 has 16 divisors (see below), whose sum is σ = 13205965532256. Its totient is φ = 4318735680000.

The previous prime is 8720538357829. The next prime is 8720538357919. The reversal of 8720538357854 is 4587538350278.

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 7 ways as a sum of consecutive naturals, for example, 46364147 + ... + 46551854.

It is an arithmetic number, because the mean of its divisors is an integer number (825372845766).

Almost surely, 2^{8720538357854} is an apocalyptic number.

8720538357854 is a deficient number, since it is larger than the sum of its proper divisors (4485427174402).

8720538357854 is a wasteful number, since it uses less digits than its factorization.

8720538357854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92916451.

The product of its (nonzero) digits is 225792000, while the sum is 65.

The spelling of 8720538357854 in words is "eight trillion, seven hundred twenty billion, five hundred thirty-eight million, three hundred fifty-seven thousand, eight hundred fifty-four".