58378919 has 4 divisors (see below), whose sum is σ = 58395144. Its totient is φ = 58362696.

The previous prime is 58378913. The next prime is 58378949. The reversal of 58378919 is 91987385.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-58378919 is a prime.

It is a super-2 number, since 2×58378919² = 6816196367217122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58378913) 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, 32 + ... + 10805.

It is an arithmetic number, because the mean of its divisors is an integer number (14598786).

Almost surely, 2^58378919 is an apocalyptic number.

58378919 is a deficient number, since it is larger than the sum of its proper divisors (16225).

58378919 is a wasteful number, since it uses less digits than its factorization.

58378919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16224.

The product of its digits is 544320, while the sum is 50.

The square root of 58378919 is about 7640.6098578582. The cubic root of 58378919 is about 387.9287940149.

The spelling of 58378919 in words is "fifty-eight million, three hundred seventy-eight thousand, nine hundred nineteen".