280813127064838 has 8 divisors (see below), whose sum is σ = 431493341587560. Its totient is φ = 136982013202320.

The previous prime is 280813127064803. The next prime is 280813127064839. The reversal of 280813127064838 is 838460721318082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×280813127064838² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280813127064839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1712275164948 + ... + 1712275165111.

It is an arithmetic number, because the mean of its divisors is an integer number (53936667698445).

Almost surely, 2^{280813127064838} is an apocalyptic number.

280813127064838 is a deficient number, since it is larger than the sum of its proper divisors (150680214522722).

280813127064838 is a wasteful number, since it uses less digits than its factorization.

280813127064838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424550330102.

The product of its (nonzero) digits is 24772608, while the sum is 61.

The spelling of 280813127064838 in words is "two hundred eighty trillion, eight hundred thirteen billion, one hundred twenty-seven million, sixty-four thousand, eight hundred thirty-eight".