78854713 has 4 divisors (see below), whose sum is σ = 90119680. Its totient is φ = 67589748.

The previous prime is 78854689. The next prime is 78854723. The reversal of 78854713 is 31745887.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 78854713 - 2⁹ = 78854201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78854713.

It is not an unprimeable number, because it can be changed into a prime (78854723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5632473 + ... + 5632486.

It is an arithmetic number, because the mean of its divisors is an integer number (22529920).

Almost surely, 2^78854713 is an apocalyptic number.

It is an amenable number.

78854713 is a deficient number, since it is larger than the sum of its proper divisors (11264967).

78854713 is a wasteful number, since it uses less digits than its factorization.

78854713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11264966.

The product of its digits is 188160, while the sum is 43.

The square root of 78854713 is about 8880.0176238564. The cubic root of 78854713 is about 428.8208419068.

The spelling of 78854713 in words is "seventy-eight million, eight hundred fifty-four thousand, seven hundred thirteen".