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8028697597 is a prime number
BaseRepresentation
bin1110111101000110…
…00011001111111101
3202201112102002121021
413132203003033331
5112420321310342
63404402504141
7402646542424
oct73643031775
922645362537
108028697597
11344aa99378
121680965051
139ac48034b
145624182bb
1531ecb8567
hex1de8c33fd

8028697597 has 2 divisors, whose sum is σ = 8028697598. Its totient is φ = 8028697596.

The previous prime is 8028697553. The next prime is 8028697619. The reversal of 8028697597 is 7957968208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7826233156 + 202464441 = 88466^2 + 14229^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8028697597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8028697507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4014348798 + 4014348799.

It is an arithmetic number, because the mean of its divisors is an integer number (4014348799).

Almost surely, 28028697597 is an apocalyptic number.

It is an amenable number.

8028697597 is a deficient number, since it is larger than the sum of its proper divisors (1).

8028697597 is an equidigital number, since it uses as much as digits as its factorization.

8028697597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15240960, while the sum is 61.

The square root of 8028697597 is about 89602.9999330380. Note that the first 4 decimals coincide. The cubic root of 8028697597 is about 2002.3886125460.

The spelling of 8028697597 in words is "eight billion, twenty-eight million, six hundred ninety-seven thousand, five hundred ninety-seven".