28078741317 has 16 divisors (see below), whose sum is σ = 41238332928. Its totient is φ = 16852199280.

The previous prime is 28078741303. The next prime is 28078741331. The reversal of 28078741317 is 71314787082.

It is an interprime number because it is at equal distance from previous prime (28078741303) and next prime (28078741331).

It is not a de Polignac number, because 28078741317 - 2³⁰ = 27004999493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28078741517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4127043 + ... + 4133840.

It is an arithmetic number, because the mean of its divisors is an integer number (2577395808).

Almost surely, 2^28078741317 is an apocalyptic number.

It is an amenable number.

28078741317 is a deficient number, since it is larger than the sum of its proper divisors (13159591611).

28078741317 is a wasteful number, since it uses less digits than its factorization.

28078741317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8261000.

The product of its (nonzero) digits is 526848, while the sum is 48.

The spelling of 28078741317 in words is "twenty-eight billion, seventy-eight million, seven hundred forty-one thousand, three hundred seventeen".