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80694967 is a prime number
BaseRepresentation
bin1001100111101…
…00111010110111
312121211201200111
410303310322313
5131124214332
612001323451
71666616203
oct463647267
9177751614
1080694967
1141606361
1223036587
1313944802
14aa07b03
15713e947
hex4cf4eb7

80694967 has 2 divisors, whose sum is σ = 80694968. Its totient is φ = 80694966.

The previous prime is 80694959. The next prime is 80694983. The reversal of 80694967 is 76949608.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80694967 - 23 = 80694959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80694967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80694917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40347483 + 40347484.

It is an arithmetic number, because the mean of its divisors is an integer number (40347484).

Almost surely, 280694967 is an apocalyptic number.

80694967 is a deficient number, since it is larger than the sum of its proper divisors (1).

80694967 is an equidigital number, since it uses as much as digits as its factorization.

80694967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 80694967 is about 8983.0377378702. The cubic root of 80694967 is about 432.1310598436.

The spelling of 80694967 in words is "eighty million, six hundred ninety-four thousand, nine hundred sixty-seven".