28061074347 has 8 divisors (see below), whose sum is σ = 37425627600. Its totient is φ = 18701952000.

The previous prime is 28061074333. The next prime is 28061074373. The reversal of 28061074347 is 74347016082.

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

It is not a de Polignac number, because 28061074347 - 2⁷ = 28061074219 is a prime.

It is a super-2 number, since 2×28061074347² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28061074299 and 28061074308.

It is not an unprimeable number, because it can be changed into a prime (28061074147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1345654 + ... + 1366347.

It is an arithmetic number, because the mean of its divisors is an integer number (4678203450).

Almost surely, 2^28061074347 is an apocalyptic number.

28061074347 is a deficient number, since it is larger than the sum of its proper divisors (9364553253).

28061074347 is a wasteful number, since it uses less digits than its factorization.

28061074347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715453.

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 28061074347 in words is "twenty-eight billion, sixty-one million, seventy-four thousand, three hundred forty-seven".