28977327 has 24 divisors (see below), whose sum is σ = 43321824. Its totient is φ = 18650304.

The previous prime is 28977307. The next prime is 28977329. The reversal of 28977327 is 72377982.

It is not a de Polignac number, because 28977327 - 2¹⁰ = 28976303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28977329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57358 + ... + 57860.

It is an arithmetic number, because the mean of its divisors is an integer number (1805076).

Almost surely, 2^28977327 is an apocalyptic number.

28977327 is a deficient number, since it is larger than the sum of its proper divisors (14344497).

28977327 is a wasteful number, since it uses less digits than its factorization.

28977327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 716 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 28977327 is about 5383.0592603091. The cubic root of 28977327 is about 307.1515942916.

The spelling of 28977327 in words is "twenty-eight million, nine hundred seventy-seven thousand, three hundred twenty-seven".