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80889677 = 1142117467
BaseRepresentation
bin1001101001001…
…00011101001101
312122012121202222
410310210131031
5131201432202
612005425125
72001356651
oct464443515
9178177688
1080889677
1141729680
122310b1a5
13139b231b
14aa58a61
15717c4a2
hex4d2474d

80889677 has 8 divisors (see below), whose sum is σ = 88457952. Its totient is φ = 73357200.

The previous prime is 80889619. The next prime is 80889691. The reversal of 80889677 is 77698808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80889677 - 28 = 80889421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80889617) 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 in 7 ways as a sum of consecutive naturals, for example, 4103 + ... + 13364.

It is an arithmetic number, because the mean of its divisors is an integer number (11057244).

Almost surely, 280889677 is an apocalyptic number.

It is an amenable number.

80889677 is a deficient number, since it is larger than the sum of its proper divisors (7568275).

80889677 is a wasteful number, since it uses less digits than its factorization.

80889677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17899.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The square root of 80889677 is about 8993.8688560597. The cubic root of 80889677 is about 432.4783456698.

The spelling of 80889677 in words is "eighty million, eight hundred eighty-nine thousand, six hundred seventy-seven".

Divisors: 1 11 421 4631 17467 192137 7353607 80889677