8773432081 has 8 divisors (see below), whose sum is σ = 8832980520. Its totient is φ = 8713930368.

The previous prime is 8773432069. The next prime is 8773432091. The reversal of 8773432081 is 1802343778.

It can be written as a sum of positive squares in 4 ways, for example, as 3951379600 + 4822052481 = 62860^2 + 69441^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8773432081 - 2²⁵ = 8739877649 is a prime.

It is a super-2 number, since 2×8773432081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8773432091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418215 + ... + 438691.

It is an arithmetic number, because the mean of its divisors is an integer number (1104122565).

Almost surely, 2^8773432081 is an apocalyptic number.

It is an amenable number.

8773432081 is a deficient number, since it is larger than the sum of its proper divisors (59548439).

8773432081 is a wasteful number, since it uses less digits than its factorization.

8773432081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23363.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 8773432081 is about 93666.6006696090. The cubic root of 8773432081 is about 2062.4804444843.

The spelling of 8773432081 in words is "eight billion, seven hundred seventy-three million, four hundred thirty-two thousand, eighty-one".