28077295 has 4 divisors (see below), whose sum is σ = 33692760. Its totient is φ = 22461832.

The previous prime is 28077277. The next prime is 28077331. The reversal of 28077295 is 59277082.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59277082 = 2 ⋅29638541.

It is a cyclic number.

It is not a de Polignac number, because 28077295 - 2¹³ = 28069103 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2807725 + ... + 2807734.

It is an arithmetic number, because the mean of its divisors is an integer number (8423190).

Almost surely, 2^28077295 is an apocalyptic number.

28077295 is a deficient number, since it is larger than the sum of its proper divisors (5615465).

28077295 is an equidigital number, since it uses as much as digits as its factorization.

28077295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5615464.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 28077295 is about 5298.8012795348. The cubic root of 28077295 is about 303.9380608747.

The spelling of 28077295 in words is "twenty-eight million, seventy-seven thousand, two hundred ninety-five".