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4798778623 is a prime number
BaseRepresentation
bin1000111100000011…
…11000110011111111
3110101102202012201121
410132001320303333
534311441403443
62112102251411
7226626642142
oct43601706377
913342665647
104798778623
112042870451
12b1b126b67
135b62676a2
14337482059
151d145a4ed
hex11e078cff

4798778623 has 2 divisors, whose sum is σ = 4798778624. Its totient is φ = 4798778622.

The previous prime is 4798778573. The next prime is 4798778653. The reversal of 4798778623 is 3268778974.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4798778623 - 217 = 4798647551 is a prime.

It is a super-2 number, since 2×47987786232 = 46056552545123552258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4798778653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2399389311 + 2399389312.

It is an arithmetic number, because the mean of its divisors is an integer number (2399389312).

Almost surely, 24798778623 is an apocalyptic number.

4798778623 is a deficient number, since it is larger than the sum of its proper divisors (1).

4798778623 is an equidigital number, since it uses as much as digits as its factorization.

4798778623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28449792, while the sum is 61.

The square root of 4798778623 is about 69273.2172127150. The cubic root of 4798778623 is about 1686.7222421805.

The spelling of 4798778623 in words is "four billion, seven hundred ninety-eight million, seven hundred seventy-eight thousand, six hundred twenty-three".