28290036047 has 12 divisors (see below), whose sum is σ = 35009817840. Its totient is φ = 22383324288.

The previous prime is 28290035999. The next prime is 28290036091. The reversal of 28290036047 is 74063009282.

It is a happy number.

It is not a de Polignac number, because 28290036047 - 2¹⁰ = 28290035023 is a prime.

It is a super-2 number, since 2×28290036047² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28290035995 and 28290036013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28290066047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11955722 + ... + 11958087.

It is an arithmetic number, because the mean of its divisors is an integer number (2917484820).

Almost surely, 2^28290036047 is an apocalyptic number.

28290036047 is a deficient number, since it is larger than the sum of its proper divisors (6719781793).

28290036047 is a wasteful number, since it uses less digits than its factorization.

28290036047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23913842 (or 23913829 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 28290036047 in words is "twenty-eight billion, two hundred ninety million, thirty-six thousand, forty-seven".