28872053 has 16 divisors (see below), whose sum is σ = 34013184. Its totient is φ = 23995440.

The previous prime is 28872037. The next prime is 28872071. The reversal of 28872053 is 35027882.

It is a happy number.

It is not a de Polignac number, because 28872053 - 2⁴ = 28872037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28872013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41438 + ... + 42128.

It is an arithmetic number, because the mean of its divisors is an integer number (2125824).

Almost surely, 2^28872053 is an apocalyptic number.

It is an amenable number.

28872053 is a deficient number, since it is larger than the sum of its proper divisors (5141131).

28872053 is a wasteful number, since it uses less digits than its factorization.

28872053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 28872053 is about 5373.2720943574. The cubic root of 28872053 is about 306.7791845831.

The spelling of 28872053 in words is "twenty-eight million, eight hundred seventy-two thousand, fifty-three".