12774809958 has 16 divisors (see below), whose sum is σ = 26240150640. Its totient is φ = 4143181536.

The previous prime is 12774809939. The next prime is 12774810001. The reversal of 12774809958 is 85990847721.

It is a super-3 number, since 3×12774809958³ (a number of 31 digits) contains 333 as substring.

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, 28771873 + ... + 28772316.

It is an arithmetic number, because the mean of its divisors is an integer number (1640009415).

Almost surely, 2^12774809958 is an apocalyptic number.

12774809958 is an abundant number, since it is smaller than the sum of its proper divisors (13465340682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12774809958 is a wasteful number, since it uses less digits than its factorization.

12774809958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57544231.

The product of its (nonzero) digits is 10160640, while the sum is 60.

The spelling of 12774809958 in words is "twelve billion, seven hundred seventy-four million, eight hundred nine thousand, nine hundred fifty-eight".