58479989 has 2 divisors, whose sum is σ = 58479990. Its totient is φ = 58479988.

The previous prime is 58479977. The next prime is 58479991. The reversal of 58479989 is 98997485.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39627025 + 18852964 = 6295^2 + 4342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-58479989 is a prime.

It is a super-2 number, since 2×58479989² = 6839818226880242, which contains 22 as substring.

Together with 58479991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58469989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29239994 + 29239995.

It is an arithmetic number, because the mean of its divisors is an integer number (29239995).

Almost surely, 2^58479989 is an apocalyptic number.

It is an amenable number.

58479989 is a deficient number, since it is larger than the sum of its proper divisors (1).

58479989 is an equidigital number, since it uses as much as digits as its factorization.

58479989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 59.

The square root of 58479989 is about 7647.2209985066. The cubic root of 58479989 is about 388.1525355014.

The spelling of 58479989 in words is "fifty-eight million, four hundred seventy-nine thousand, nine hundred eighty-nine".