4978924187 has 2 divisors, whose sum is σ = 4978924188. Its totient is φ = 4978924186.

The previous prime is 4978924169. The next prime is 4978924211. The reversal of 4978924187 is 7814298794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4978924187 - 2¹⁸ = 4978662043 is a prime.

It is a super-2 number, since 2×4978924187² = 49579372119787221938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4978924117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489462093 + 2489462094.

It is an arithmetic number, because the mean of its divisors is an integer number (2489462094).

Almost surely, 2^4978924187 is an apocalyptic number.

4978924187 is a deficient number, since it is larger than the sum of its proper divisors (1).

4978924187 is an equidigital number, since it uses as much as digits as its factorization.

4978924187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8128512, while the sum is 59.

The square root of 4978924187 is about 70561.4922390393. The cubic root of 4978924187 is about 1707.5699540676.

The spelling of 4978924187 in words is "four billion, nine hundred seventy-eight million, nine hundred twenty-four thousand, one hundred eighty-seven".