8712145855 has 12 divisors (see below), whose sum is σ = 12161444760. Its totient is φ = 5974042704.

The previous prime is 8712145807. The next prime is 8712145859. The reversal of 8712145855 is 5585412178.

It is not a de Polignac number, because 8712145855 - 2⁷ = 8712145727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8712145859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17779645 + ... + 17780134.

It is an arithmetic number, because the mean of its divisors is an integer number (1013453730).

Almost surely, 2^8712145855 is an apocalyptic number.

8712145855 is a deficient number, since it is larger than the sum of its proper divisors (3449298905).

8712145855 is a wasteful number, since it uses less digits than its factorization.

8712145855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35559798 (or 35559791 counting only the distinct ones).

The product of its digits is 448000, while the sum is 46.

The square root of 8712145855 is about 93338.8764395630. The cubic root of 8712145855 is about 2057.6667785419. Note that the first 3 decimals are identical.

The spelling of 8712145855 in words is "eight billion, seven hundred twelve million, one hundred forty-five thousand, eight hundred fifty-five".