8978503 has 2 divisors, whose sum is σ = 8978504. Its totient is φ = 8978502.

The previous prime is 8978491. The next prime is 8978539. The reversal of 8978503 is 3058798.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8978503 - 2⁵ = 8978471 is a prime.

It is a super-2 number, since 2×8978503² = 161227032242018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8978573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4489251 + 4489252.

It is an arithmetic number, because the mean of its divisors is an integer number (4489252).

Almost surely, 2^8978503 is an apocalyptic number.

8978503 is a deficient number, since it is larger than the sum of its proper divisors (1).

8978503 is an equidigital number, since it uses as much as digits as its factorization.

8978503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 8978503 is about 2996.4150246586. The cubic root of 8978503 is about 207.8426370788.

The spelling of 8978503 in words is "eight million, nine hundred seventy-eight thousand, five hundred three".