58078817 has 4 divisors (see below), whose sum is σ = 61495236. Its totient is φ = 54662400.

The previous prime is 58078807. The next prime is 58078829. The reversal of 58078817 is 71887085.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18627856 + 39450961 = 4316^2 + 6281^2 .

It is a cyclic number.

It is not a de Polignac number, because 58078817 - 2¹⁰ = 58077793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58078807) 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, 1708184 + ... + 1708217.

It is an arithmetic number, because the mean of its divisors is an integer number (15373809).

Almost surely, 2^58078817 is an apocalyptic number.

It is an amenable number.

58078817 is a deficient number, since it is larger than the sum of its proper divisors (3416419).

58078817 is a wasteful number, since it uses less digits than its factorization.

58078817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416418.

The product of its (nonzero) digits is 125440, while the sum is 44.

The square root of 58078817 is about 7620.9459386614. The cubic root of 58078817 is about 387.2629242875.

It can be divided in two parts, 580 and 78817, that added together give a palindrome (79397).

The spelling of 58078817 in words is "fifty-eight million, seventy-eight thousand, eight hundred seventeen".