87334471 has 16 divisors (see below), whose sum is σ = 103874560. Its totient is φ = 71850240.

The previous prime is 87334459. The next prime is 87334477. The reversal of 87334471 is 17443378.

It is not a de Polignac number, because 87334471 - 2²⁵ = 53780039 is a prime.

It is a super-3 number, since 3×87334471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87334471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87334477) 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, 25975 + ... + 29143.

It is an arithmetic number, because the mean of its divisors is an integer number (6492160).

Almost surely, 2^87334471 is an apocalyptic number.

87334471 is a deficient number, since it is larger than the sum of its proper divisors (16540089).

87334471 is a wasteful number, since it uses less digits than its factorization.

87334471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334.

The product of its digits is 56448, while the sum is 37.

The square root of 87334471 is about 9345.2913812251. The cubic root of 87334471 is about 443.6718739403.

It can be divided in two parts, 873 and 34471, that added together give a square (35344 = 188²).

The spelling of 87334471 in words is "eighty-seven million, three hundred thirty-four thousand, four hundred seventy-one".