87341047 has 2 divisors, whose sum is σ = 87341048. Its totient is φ = 87341046.

The previous prime is 87341039. The next prime is 87341071. The reversal of 87341047 is 74014378.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87341047 - 2³ = 87341039 is a prime.

It is equal to p_5071849 and since 87341047 and 5071849 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87341017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43670523 + 43670524.

It is an arithmetic number, because the mean of its divisors is an integer number (43670524).

Almost surely, 2^87341047 is an apocalyptic number.

87341047 is a deficient number, since it is larger than the sum of its proper divisors (1).

87341047 is an equidigital number, since it uses as much as digits as its factorization.

87341047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 87341047 is about 9345.6432095389. The cubic root of 87341047 is about 443.6830093411.

The spelling of 87341047 in words is "eighty-seven million, three hundred forty-one thousand, forty-seven".