87738347 has 2 divisors, whose sum is σ = 87738348. Its totient is φ = 87738346.

The previous prime is 87738283. The next prime is 87738403. The reversal of 87738347 is 74383778.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87738347 - 2⁶ = 87738283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87738047) 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, 43869173 + 43869174.

It is an arithmetic number, because the mean of its divisors is an integer number (43869174).

Almost surely, 2^87738347 is an apocalyptic number.

87738347 is a deficient number, since it is larger than the sum of its proper divisors (1).

87738347 is an equidigital number, since it uses as much as digits as its factorization.

87738347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 790272, while the sum is 47.

The square root of 87738347 is about 9366.8749858210. The cubic root of 87738347 is about 444.3547387540.

The spelling of 87738347 in words is "eighty-seven million, seven hundred thirty-eight thousand, three hundred forty-seven".