258234680878 has 8 divisors (see below), whose sum is σ = 387954436968. Its totient is φ = 128916535224.

The previous prime is 258234680861. The next prime is 258234680927. The reversal of 258234680878 is 878086432852.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100401001 + ... + 100403572.

It is an arithmetic number, because the mean of its divisors is an integer number (48494304621).

Almost surely, 2^258234680878 is an apocalyptic number.

258234680878 is a deficient number, since it is larger than the sum of its proper divisors (129719756090).

258234680878 is a wasteful number, since it uses less digits than its factorization.

258234680878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200805218.

The product of its (nonzero) digits is 41287680, while the sum is 61.

The spelling of 258234680878 in words is "two hundred fifty-eight billion, two hundred thirty-four million, six hundred eighty thousand, eight hundred seventy-eight".