Search a number
-
+
80396887 is a prime number
BaseRepresentation
bin1001100101011…
…00001001010111
312121021120210111
410302230021113
5131040200022
611551103451
71664235154
oct462541127
9177246714
1080396887
114142240a
1222b11b87
131386bc2c
14a96b22b
1570d1477
hex4cac257

80396887 has 2 divisors, whose sum is σ = 80396888. Its totient is φ = 80396886.

The previous prime is 80396879. The next prime is 80396917. The reversal of 80396887 is 78869308.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80396887 - 23 = 80396879 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80396887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80396807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40198443 + 40198444.

It is an arithmetic number, because the mean of its divisors is an integer number (40198444).

Almost surely, 280396887 is an apocalyptic number.

80396887 is a deficient number, since it is larger than the sum of its proper divisors (1).

80396887 is an equidigital number, since it uses as much as digits as its factorization.

80396887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 80396887 is about 8966.4311183436. The cubic root of 80396887 is about 431.5983188266.

The spelling of 80396887 in words is "eighty million, three hundred ninety-six thousand, eight hundred eighty-seven".