78545341 has 4 divisors (see below), whose sum is σ = 89766112. Its totient is φ = 67324572.

The previous prime is 78545333. The next prime is 78545347. The reversal of 78545341 is 14354587.

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 not a de Polignac number, because 78545341 - 2³ = 78545333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78545341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78545347) 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, 5610375 + ... + 5610388.

It is an arithmetic number, because the mean of its divisors is an integer number (22441528).

Almost surely, 2^78545341 is an apocalyptic number.

It is an amenable number.

78545341 is a deficient number, since it is larger than the sum of its proper divisors (11220771).

78545341 is a wasteful number, since it uses less digits than its factorization.

78545341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11220770.

The product of its digits is 67200, while the sum is 37.

The square root of 78545341 is about 8862.5809446233. The cubic root of 78545341 is about 428.2593069378.

The spelling of 78545341 in words is "seventy-eight million, five hundred forty-five thousand, three hundred forty-one".