4978980823 has 2 divisors, whose sum is σ = 4978980824. Its totient is φ = 4978980822.

The previous prime is 4978980781. The next prime is 4978980829. The reversal of 4978980823 is 3280898794.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4978980823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4978980829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489490411 + 2489490412.

It is an arithmetic number, because the mean of its divisors is an integer number (2489490412).

Almost surely, 2^4978980823 is an apocalyptic number.

4978980823 is a deficient number, since it is larger than the sum of its proper divisors (1).

4978980823 is an equidigital number, since it uses as much as digits as its factorization.

4978980823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 58.

The square root of 4978980823 is about 70561.8935616102. The cubic root of 4978980823 is about 1707.5764286635.

The spelling of 4978980823 in words is "four billion, nine hundred seventy-eight million, nine hundred eighty thousand, eight hundred twenty-three".