28127955 has 32 divisors (see below), whose sum is σ = 47059200. Its totient is φ = 14332032.

The previous prime is 28127951. The next prime is 28127959. The reversal of 28127955 is 55972182.

It is an interprime number because it is at equal distance from previous prime (28127951) and next prime (28127959).

It is not a de Polignac number, because 28127955 - 2² = 28127951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28127951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32316 + ... + 33174.

It is an arithmetic number, because the mean of its divisors is an integer number (1470600).

Almost surely, 2^28127955 is an apocalyptic number.

28127955 is a deficient number, since it is larger than the sum of its proper divisors (18931245).

28127955 is a wasteful number, since it uses less digits than its factorization.

28127955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963.

The product of its digits is 50400, while the sum is 39.

The square root of 28127955 is about 5303.5794516534. The cubic root of 28127955 is about 304.1207500172.

The spelling of 28127955 in words is "twenty-eight million, one hundred twenty-seven thousand, nine hundred fifty-five".