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87874151 is a prime number
BaseRepresentation
bin1010011110011…
…01101001100111
320010100110200012
411033031221213
5134443433101
612415240435
72114626601
oct517155147
9203313605
1087874151
114566a172
122551911b
1315289451
14b956171
157aabbbb
hex53cda67

87874151 has 2 divisors, whose sum is σ = 87874152. Its totient is φ = 87874150.

The previous prime is 87874133. The next prime is 87874153. The reversal of 87874151 is 15147878.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87874151 - 226 = 20765287 is a prime.

Together with 87874153, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 87874099 and 87874108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87874153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43937075 + 43937076.

It is an arithmetic number, because the mean of its divisors is an integer number (43937076).

Almost surely, 287874151 is an apocalyptic number.

87874151 is a deficient number, since it is larger than the sum of its proper divisors (1).

87874151 is an equidigital number, since it uses as much as digits as its factorization.

87874151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62720, while the sum is 41.

The square root of 87874151 is about 9374.1213454915. The cubic root of 87874151 is about 444.5838823576.

The spelling of 87874151 in words is "eighty-seven million, eight hundred seventy-four thousand, one hundred fifty-one".