87466288009 has 9 divisors (see below), whose sum is σ = 88486726183. Its totient is φ = 86457494992.

The previous prime is 87466287967. The next prime is 87466288027. The reversal of 87466288009 is 90088266478.

The square root of 87466288009 is 295747.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 16795382409 + 70670905600 = 129597^2 + 265840^2 .

It is not a de Polignac number, because 87466288009 - 2²⁷ = 87332070281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87466288079) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 26319822 + ... + 26323144.

Almost surely, 2^87466288009 is an apocalyptic number.

87466288009 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

87466288009 is the 295747-th square number.

87466288009 is the 147874-th centered octagonal number.

It is an amenable number.

87466288009 is a deficient number, since it is larger than the sum of its proper divisors (1020438174).

87466288009 is an frugal number, since it uses more digits than its factorization.

87466288009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6824 (or 3412 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 58.

The spelling of 87466288009 in words is "eighty-seven billion, four hundred sixty-six million, two hundred eighty-eight thousand, nine".