2558081078 has 16 divisors (see below), whose sum is σ = 4388338944. Its totient is φ = 1095556200.

The previous prime is 2558081063. The next prime is 2558081101. The reversal of 2558081078 is 8701808552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42650 + ... + 83277.

It is an arithmetic number, because the mean of its divisors is an integer number (274271184).

Almost surely, 2^2558081078 is an apocalyptic number.

2558081078 is a deficient number, since it is larger than the sum of its proper divisors (1830257866).

2558081078 is a wasteful number, since it uses less digits than its factorization.

2558081078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127387.

The product of its (nonzero) digits is 179200, while the sum is 44.

The square root of 2558081078 is about 50577.4759947548. The cubic root of 2558081078 is about 1367.6388687297.

The spelling of 2558081078 in words is "two billion, five hundred fifty-eight million, eighty-one thousand, seventy-eight".