258377667 has 8 divisors (see below), whose sum is σ = 344718096. Its totient is φ = 172144512.

The previous prime is 258377641. The next prime is 258377677. The reversal of 258377667 is 766773852.

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

It is not a de Polignac number, because 258377667 - 2¹⁸ = 258115523 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (258377627) 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, 21018 + ... + 30959.

It is an arithmetic number, because the mean of its divisors is an integer number (43089762).

Almost surely, 2^258377667 is an apocalyptic number.

258377667 is a deficient number, since it is larger than the sum of its proper divisors (86340429).

258377667 is a wasteful number, since it uses less digits than its factorization.

258377667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53637.

The product of its digits is 2963520, while the sum is 51.

The square root of 258377667 is about 16074.1303652795. The cubic root of 258377667 is about 636.9201531059.

The spelling of 258377667 in words is "two hundred fifty-eight million, three hundred seventy-seven thousand, six hundred sixty-seven".