28820627 has 12 divisors (see below), whose sum is σ = 33544728. Its totient is φ = 24657600.

The previous prime is 28820569. The next prime is 28820629. The reversal of 28820627 is 72602882.

It is not a de Polignac number, because 28820627 - 2¹⁰ = 28819603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28820629) 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, 4949 + ... + 9062.

It is an arithmetic number, because the mean of its divisors is an integer number (2795394).

Almost surely, 2^28820627 is an apocalyptic number.

28820627 is a deficient number, since it is larger than the sum of its proper divisors (4724101).

28820627 is a wasteful number, since it uses less digits than its factorization.

28820627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14050 (or 14039 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 28820627 is about 5368.4846092729. The cubic root of 28820627 is about 306.5969344968.

The spelling of 28820627 in words is "twenty-eight million, eight hundred twenty thousand, six hundred twenty-seven".