87339471 has 16 divisors (see below), whose sum is σ = 119616000. Its totient is φ = 56652480.

The previous prime is 87339467. The next prime is 87339517. The reversal of 87339471 is 17493378.

It is not a de Polignac number, because 87339471 - 2² = 87339467 is a prime.

It is a super-3 number, since 3×87339471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87339401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60666 + ... + 62088.

It is an arithmetic number, because the mean of its divisors is an integer number (7476000).

Almost surely, 2^87339471 is an apocalyptic number.

87339471 is a deficient number, since it is larger than the sum of its proper divisors (32276529).

87339471 is a wasteful number, since it uses less digits than its factorization.

87339471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966.

The product of its digits is 127008, while the sum is 42.

The square root of 87339471 is about 9345.5588917945. The cubic root of 87339471 is about 443.6803406889.

The spelling of 87339471 in words is "eighty-seven million, three hundred thirty-nine thousand, four hundred seventy-one".