774286242289398 has 48 divisors (see below), whose sum is σ = 1696479129549360. Its totient is φ = 255194070734592.

The previous prime is 774286242289297. The next prime is 774286242289411. The reversal of 774286242289398 is 893982242682477.

774286242289398 is a `hidden beast` number, since 7 + 7 + 4 + 2 + 8 + 6 + 242 + 289 + 3 + 98 = 666.

It is a super-3 number, since 3×774286242289398³ (a number of 46 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315578265 + ... + 318022347.

It is an arithmetic number, because the mean of its divisors is an integer number (35343315198945).

Almost surely, 2^{774286242289398} is an apocalyptic number.

774286242289398 is an abundant number, since it is smaller than the sum of its proper divisors (922192887259962).

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

774286242289398 is a wasteful number, since it uses less digits than its factorization.

774286242289398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641933 (or 2641930 counting only the distinct ones).

The product of its digits is 9364045824, while the sum is 81.

The spelling of 774286242289398 in words is "seven hundred seventy-four trillion, two hundred eighty-six billion, two hundred forty-two million, two hundred eighty-nine thousand, three hundred ninety-eight".