87274329 has 4 divisors (see below), whose sum is σ = 116365776. Its totient is φ = 58182884.

The previous prime is 87274301. The next prime is 87274337. The reversal of 87274329 is 92347278.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87274329 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87274339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14545719 + ... + 14545724.

It is an arithmetic number, because the mean of its divisors is an integer number (29091444).

Almost surely, 2^87274329 is an apocalyptic number.

It is an amenable number.

87274329 is a deficient number, since it is larger than the sum of its proper divisors (29091447).

87274329 is a wasteful number, since it uses less digits than its factorization.

87274329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29091446.

The product of its digits is 169344, while the sum is 42.

The square root of 87274329 is about 9342.0730568755. The cubic root of 87274329 is about 443.5700071709.

The spelling of 87274329 in words is "eighty-seven million, two hundred seventy-four thousand, three hundred twenty-nine".