28480827 has 8 divisors (see below), whose sum is σ = 38208064. Its totient is φ = 18870408.

The previous prime is 28480819. The next prime is 28480853. The reversal of 28480827 is 72808482.

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

It is not a de Polignac number, because 28480827 - 2³ = 28480819 is a prime.

It is a super-2 number, since 2×28480827² = 1622315013207858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28480807) 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, 28633 + ... + 29610.

It is an arithmetic number, because the mean of its divisors is an integer number (4776008).

Almost surely, 2^28480827 is an apocalyptic number.

28480827 is a deficient number, since it is larger than the sum of its proper divisors (9727237).

28480827 is a wasteful number, since it uses less digits than its factorization.

28480827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58409.

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 28480827 is about 5336.7431079264. The cubic root of 28480827 is about 305.3872247392.

The spelling of 28480827 in words is "twenty-eight million, four hundred eighty thousand, eight hundred twenty-seven".