284144773109078 has 16 divisors (see below), whose sum is σ = 492578418875040. Its totient is φ = 120408057946176.

The previous prime is 284144773109069. The next prime is 284144773109107. The reversal of 284144773109078 is 870901377441482.

It is a super-2 number, since 2×284144773109078² (a number of 30 digits) contains 22 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, 114022780901 + ... + 114022783392.

It is an arithmetic number, because the mean of its divisors is an integer number (30786151179690).

Almost surely, 2^{284144773109078} is an apocalyptic number.

284144773109078 is a deficient number, since it is larger than the sum of its proper divisors (208433645765962).

284144773109078 is a wasteful number, since it uses less digits than its factorization.

284144773109078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228045564391.

The product of its (nonzero) digits is 75866112, while the sum is 65.

The spelling of 284144773109078 in words is "two hundred eighty-four trillion, one hundred forty-four billion, seven hundred seventy-three million, one hundred nine thousand, seventy-eight".