28627357 has 8 divisors (see below), whose sum is σ = 32873760. Its totient is φ = 24654960.

The previous prime is 28627351. The next prime is 28627373. The reversal of 28627357 is 75372682.

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

It is not a de Polignac number, because 28627357 - 2³ = 28627349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28627351) 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, 68278 + ... + 68695.

It is an arithmetic number, because the mean of its divisors is an integer number (4109220).

Almost surely, 2^28627357 is an apocalyptic number.

It is an amenable number.

28627357 is a deficient number, since it is larger than the sum of its proper divisors (4246403).

28627357 is a wasteful number, since it uses less digits than its factorization.

28627357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137003.

The product of its digits is 141120, while the sum is 40.

The square root of 28627357 is about 5350.4539059784. The cubic root of 28627357 is about 305.9100544446.

The spelling of 28627357 in words is "twenty-eight million, six hundred twenty-seven thousand, three hundred fifty-seven".