8078257 has 16 divisors (see below), whose sum is σ = 9116352. Its totient is φ = 7096320.

The previous prime is 8078251. The next prime is 8078261. The reversal of 8078257 is 7528708.

8078257 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8078257 - 2¹⁵ = 8045489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8078251) 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 15 ways as a sum of consecutive naturals, for example, 71433 + ... + 71545.

It is an arithmetic number, because the mean of its divisors is an integer number (569772).

Almost surely, 2^8078257 is an apocalyptic number.

It is an amenable number.

8078257 is a deficient number, since it is larger than the sum of its proper divisors (1038095).

8078257 is a wasteful number, since it uses less digits than its factorization.

8078257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 8078257 is about 2842.2274715441. The cubic root of 8078257 is about 200.6500267043.

The spelling of 8078257 in words is "eight million, seventy-eight thousand, two hundred fifty-seven".