258047979 has 8 divisors (see below), whose sum is σ = 393216000. Its totient is φ = 147455976.

The previous prime is 258047927. The next prime is 258047989. The reversal of 258047979 is 979740852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 258047979 - 2¹⁹ = 257523691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (258047989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6143979 + ... + 6144020.

It is an arithmetic number, because the mean of its divisors is an integer number (49152000).

Almost surely, 2^258047979 is an apocalyptic number.

258047979 is a deficient number, since it is larger than the sum of its proper divisors (135168021).

258047979 is a wasteful number, since it uses less digits than its factorization.

258047979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12288009.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The square root of 258047979 is about 16063.8718558136. The cubic root of 258047979 is about 636.6491359932.

The spelling of 258047979 in words is "two hundred fifty-eight million, forty-seven thousand, nine hundred seventy-nine".