28347709829376 has 72 divisors (see below), whose sum is σ = 86224284080704. Its totient is φ = 8099345664000.

The previous prime is 28347709829323. The next prime is 28347709829429. The reversal of 28347709829376 is 67392890774382.

It is an interprime number because it is at equal distance from previous prime (28347709829323) and next prime (28347709829429).

It is a junction number, because it is equal to n+sod(n) for n = 28347709829298 and 28347709829307.

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, 2636500375 + ... + 2636511126.

Almost surely, 2^{28347709829376} is an apocalyptic number.

It is an amenable number.

28347709829376 is an abundant number, since it is smaller than the sum of its proper divisors (57876574251328).

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

28347709829376 is an equidigital number, since it uses as much as digits as its factorization.

28347709829376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5273011527 (or 5273011513 counting only the distinct ones).

The product of its (nonzero) digits is 1536288768, while the sum is 75.

The spelling of 28347709829376 in words is "twenty-eight trillion, three hundred forty-seven billion, seven hundred nine million, eight hundred twenty-nine thousand, three hundred seventy-six".