78560810213 has 4 divisors (see below), whose sum is σ = 78564874368. Its totient is φ = 78556746060.

The previous prime is 78560810201. The next prime is 78560810219. The reversal of 78560810213 is 31201806587.

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 78560810213 - 2²⁴ = 78544032997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78560810219) 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, 2002943 + ... + 2041788.

It is an arithmetic number, because the mean of its divisors is an integer number (19641218592).

Almost surely, 2^78560810213 is an apocalyptic number.

It is an amenable number.

78560810213 is a deficient number, since it is larger than the sum of its proper divisors (4064155).

78560810213 is a wasteful number, since it uses less digits than its factorization.

78560810213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064154.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 78560810213 in words is "seventy-eight billion, five hundred sixty million, eight hundred ten thousand, two hundred thirteen".