2258250778078 has 4 divisors (see below), whose sum is σ = 3387376167120. Its totient is φ = 1129125389038.

The previous prime is 2258250778001. The next prime is 2258250778117. The reversal of 2258250778078 is 8708770528522.

2258250778078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564562694518 + ... + 564562694521.

It is an arithmetic number, because the mean of its divisors is an integer number (846844041780).

Almost surely, 2^{2258250778078} is an apocalyptic number.

2258250778078 is a deficient number, since it is larger than the sum of its proper divisors (1129125389042).

2258250778078 is a wasteful number, since it uses less digits than its factorization.

2258250778078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129125389041.

The product of its (nonzero) digits is 35123200, while the sum is 61.

The spelling of 2258250778078 in words is "two trillion, two hundred fifty-eight billion, two hundred fifty million, seven hundred seventy-eight thousand, seventy-eight".