87329927 has 2 divisors, whose sum is σ = 87329928. Its totient is φ = 87329926.

The previous prime is 87329923. The next prime is 87329951. The reversal of 87329927 is 72992378.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87329927 - 2² = 87329923 is a prime.

It is a super-2 number, since 2×87329927² = 15253032299650658, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87329923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43664963 + 43664964.

It is an arithmetic number, because the mean of its divisors is an integer number (43664964).

Almost surely, 2^87329927 is an apocalyptic number.

87329927 is a deficient number, since it is larger than the sum of its proper divisors (1).

87329927 is an equidigital number, since it uses as much as digits as its factorization.

87329927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 47.

The square root of 87329927 is about 9345.0482609776. The cubic root of 87329927 is about 443.6641790788.

The spelling of 87329927 in words is "eighty-seven million, three hundred twenty-nine thousand, nine hundred twenty-seven".