258261376767 has 16 divisors (see below), whose sum is σ = 349303339008. Its totient is φ = 169700045760.

The previous prime is 258261376757. The next prime is 258261376771. The reversal of 258261376767 is 767673162852.

It is a happy number.

It is not a de Polignac number, because 258261376767 - 2¹¹ = 258261374719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 258261376767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258261376757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78693 + ... + 722990.

It is an arithmetic number, because the mean of its divisors is an integer number (21831458688).

Almost surely, 2^258261376767 is an apocalyptic number.

258261376767 is a deficient number, since it is larger than the sum of its proper divisors (91041962241).

258261376767 is a wasteful number, since it uses less digits than its factorization.

258261376767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803230.

The product of its digits is 35562240, while the sum is 60.

The spelling of 258261376767 in words is "two hundred fifty-eight billion, two hundred sixty-one million, three hundred seventy-six thousand, seven hundred sixty-seven".