28627377 has 8 divisors (see below), whose sum is σ = 38273664. Its totient is φ = 19033008.

The previous prime is 28627373. The next prime is 28627393. The reversal of 28627377 is 77372682.

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

It is not a de Polignac number, because 28627377 - 2² = 28627373 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28627373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11673 + ... + 13910.

It is an arithmetic number, because the mean of its divisors is an integer number (4784208).

Almost surely, 2^28627377 is an apocalyptic number.

It is an amenable number.

28627377 is a deficient number, since it is larger than the sum of its proper divisors (9646287).

28627377 is a wasteful number, since it uses less digits than its factorization.

28627377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25959.

The product of its digits is 197568, while the sum is 42.

The square root of 28627377 is about 5350.4557749784. The cubic root of 28627377 is about 305.9101256841.

The spelling of 28627377 in words is "twenty-eight million, six hundred twenty-seven thousand, three hundred seventy-seven".