4978928107 has 2 divisors, whose sum is σ = 4978928108. Its totient is φ = 4978928106.

The previous prime is 4978928083. The next prime is 4978928113. The reversal of 4978928107 is 7018298794.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4978928107 is a prime.

It is not a weakly prime, because it can be changed into another prime (4978928137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489464053 + 2489464054.

It is an arithmetic number, because the mean of its divisors is an integer number (2489464054).

Almost surely, 2^4978928107 is an apocalyptic number.

4978928107 is a deficient number, since it is larger than the sum of its proper divisors (1).

4978928107 is an equidigital number, since it uses as much as digits as its factorization.

4978928107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 55.

The square root of 4978928107 is about 70561.5200162241. The cubic root of 4978928107 is about 1707.5704022014.

The spelling of 4978928107 in words is "four billion, nine hundred seventy-eight million, nine hundred twenty-eight thousand, one hundred seven".