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80411797 is a prime number
BaseRepresentation
bin1001100101011…
…11110010010101
312121022100020201
410302233302111
5131041134142
611551300501
71664326504
oct462576225
9177270221
1080411797
1141432634
1222b1a731
131387595b
14a97283b
1570d5ab7
hex4cafc95

80411797 has 2 divisors, whose sum is σ = 80411798. Its totient is φ = 80411796.

The previous prime is 80411761. The next prime is 80411801. The reversal of 80411797 is 79711408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64738116 + 15673681 = 8046^2 + 3959^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80411797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80411707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40205898 + 40205899.

It is an arithmetic number, because the mean of its divisors is an integer number (40205899).

Almost surely, 280411797 is an apocalyptic number.

It is an amenable number.

80411797 is a deficient number, since it is larger than the sum of its proper divisors (1).

80411797 is an equidigital number, since it uses as much as digits as its factorization.

80411797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 80411797 is about 8967.2625142794. The cubic root of 80411797 is about 431.6249978578.

The spelling of 80411797 in words is "eighty million, four hundred eleven thousand, seven hundred ninety-seven".