8712054878 has 4 divisors (see below), whose sum is σ = 13068082320. Its totient is φ = 4356027438.

The previous prime is 8712054877. The next prime is 8712054887. The reversal of 8712054878 is 8784502178.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8712054877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2178013718 + ... + 2178013721.

It is an arithmetic number, because the mean of its divisors is an integer number (3267020580).

Almost surely, 2^8712054878 is an apocalyptic number.

8712054878 is a deficient number, since it is larger than the sum of its proper divisors (4356027442).

8712054878 is a wasteful number, since it uses less digits than its factorization.

8712054878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356027441.

The product of its (nonzero) digits is 1003520, while the sum is 50.

The square root of 8712054878 is about 93338.3890904487. The cubic root of 8712054878 is about 2057.6596160891.

The spelling of 8712054878 in words is "eight billion, seven hundred twelve million, fifty-four thousand, eight hundred seventy-eight".