8478751 has 2 divisors, whose sum is σ = 8478752. Its totient is φ = 8478750.

The previous prime is 8478739. The next prime is 8478791. The reversal of 8478751 is 1578748.

It is an a-pointer prime, because the next prime (8478791) can be obtained adding 8478751 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8478751 - 2⁵ = 8478719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8478791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4239375 + 4239376.

It is an arithmetic number, because the mean of its divisors is an integer number (4239376).

Almost surely, 2^8478751 is an apocalyptic number.

8478751 is a deficient number, since it is larger than the sum of its proper divisors (1).

8478751 is an equidigital number, since it uses as much as digits as its factorization.

8478751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62720, while the sum is 40.

The square root of 8478751 is about 2911.8294936345. The cubic root of 8478751 is about 203.9125522286.

It can be divided in two parts, 8478 and 751, that added together give a palindrome (9229).

The spelling of 8478751 in words is "eight million, four hundred seventy-eight thousand, seven hundred fifty-one".