384154736980778 has 16 divisors (see below), whose sum is σ = 576365526175200. Its totient is φ = 192032899780176.

The previous prime is 384154736980711. The next prime is 384154736980841. The reversal of 384154736980778 is 877089637451483.

It is a super-2 number, since 2×384154736980778² (a number of 30 digits) contains 22 as substring.

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, 158163125 + ... + 160573607.

It is an arithmetic number, because the mean of its divisors is an integer number (36022845385950).

Almost surely, 2^{384154736980778} is an apocalyptic number.

384154736980778 is a deficient number, since it is larger than the sum of its proper divisors (192210789194422).

384154736980778 is a wasteful number, since it uses less digits than its factorization.

384154736980778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428901.

The product of its (nonzero) digits is 6827950080, while the sum is 80.

The spelling of 384154736980778 in words is "three hundred eighty-four trillion, one hundred fifty-four billion, seven hundred thirty-six million, nine hundred eighty thousand, seven hundred seventy-eight".