8578132085 has 16 divisors (see below), whose sum is σ = 10901682432. Its totient is φ = 6457401600.

The previous prime is 8578132081. The next prime is 8578132091. The reversal of 8578132085 is 5802318758.

It is not a de Polignac number, because 8578132085 - 2² = 8578132081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8578132081) 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, 528440 + ... + 544430.

It is an arithmetic number, because the mean of its divisors is an integer number (681355152).

Almost surely, 2^8578132085 is an apocalyptic number.

8578132085 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8578132085 is a deficient number, since it is larger than the sum of its proper divisors (2323550347).

8578132085 is a wasteful number, since it uses less digits than its factorization.

8578132085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22324.

The product of its (nonzero) digits is 537600, while the sum is 47.

The square root of 8578132085 is about 92618.2060126409. The cubic root of 8578132085 is about 2047.0615910968.

The spelling of 8578132085 in words is "eight billion, five hundred seventy-eight million, one hundred thirty-two thousand, eighty-five".