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80027719 is a prime number
BaseRepresentation
bin1001100010100…
…10000001000111
312120120211101121
410301102001013
5130441341334
611535134411
71661136652
oct461220107
9176524347
1080027719
11411a0012
1222974407
131376cba5
14a8b2899
15705bdb4
hex4c52047

80027719 has 2 divisors, whose sum is σ = 80027720. Its totient is φ = 80027718.

The previous prime is 80027713. The next prime is 80027723. The reversal of 80027719 is 91772008.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80027719 is a prime.

It is a super-2 number, since 2×800277192 = 12808871616685922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80027713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40013859 + 40013860.

It is an arithmetic number, because the mean of its divisors is an integer number (40013860).

Almost surely, 280027719 is an apocalyptic number.

80027719 is a deficient number, since it is larger than the sum of its proper divisors (1).

80027719 is an equidigital number, since it uses as much as digits as its factorization.

80027719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 80027719 is about 8945.8213150051. The cubic root of 80027719 is about 430.9366979057.

The spelling of 80027719 in words is "eighty million, twenty-seven thousand, seven hundred nineteen".