87334231 has 4 divisors (see below), whose sum is σ = 87361552. Its totient is φ = 87306912.

The previous prime is 87334213. The next prime is 87334271. The reversal of 87334231 is 13243378.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87334231 - 2¹⁷ = 87203159 is a prime.

It is a super-2 number, since 2×87334231² = 15254535808722722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87334193 and 87334202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87334211) 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, 8115 + ... + 15508.

It is an arithmetic number, because the mean of its divisors is an integer number (21840388).

Almost surely, 2^87334231 is an apocalyptic number.

87334231 is a deficient number, since it is larger than the sum of its proper divisors (27321).

87334231 is a wasteful number, since it uses less digits than its factorization.

87334231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27320.

The product of its digits is 12096, while the sum is 31.

The square root of 87334231 is about 9345.2785405252. The cubic root of 87334231 is about 443.6714675282.

The spelling of 87334231 in words is "eighty-seven million, three hundred thirty-four thousand, two hundred thirty-one".