258954528781 has 16 divisors (see below), whose sum is σ = 281538633600. Its totient is φ = 236751997248.

The previous prime is 258954528773. The next prime is 258954528787. The reversal of 258954528781 is 187825459852.

It is not a de Polignac number, because 258954528781 - 2³ = 258954528773 is a prime.

It is a super-2 number, since 2×258954528781² (a number of 24 digits) 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 (258954528787) 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, 7869160 + ... + 7901998.

It is an arithmetic number, because the mean of its divisors is an integer number (17596164600).

Almost surely, 2^258954528781 is an apocalyptic number.

It is an amenable number.

258954528781 is a deficient number, since it is larger than the sum of its proper divisors (22584104819).

258954528781 is a wasteful number, since it uses less digits than its factorization.

258954528781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38628.

The product of its digits is 64512000, while the sum is 64.

The spelling of 258954528781 in words is "two hundred fifty-eight billion, nine hundred fifty-four million, five hundred twenty-eight thousand, seven hundred eighty-one".