7581082085 has 32 divisors (see below), whose sum is σ = 9961408512. Its totient is φ = 5513840640.

The previous prime is 7581082073. The next prime is 7581082087. The reversal of 7581082085 is 5802801857.

It is not a de Polignac number, because 7581082085 - 2⁶ = 7581082021 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 (7581082087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1623464 + ... + 1628126.

It is an arithmetic number, because the mean of its divisors is an integer number (311294016).

Almost surely, 2^7581082085 is an apocalyptic number.

It is an amenable number.

7581082085 is a deficient number, since it is larger than the sum of its proper divisors (2380326427).

7581082085 is a wasteful number, since it uses less digits than its factorization.

7581082085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5333.

The product of its (nonzero) digits is 179200, while the sum is 44.

The square root of 7581082085 is about 87069.4095822408. The cubic root of 7581082085 is about 1964.4624552890.

The spelling of 7581082085 in words is "seven billion, five hundred eighty-one million, eighty-two thousand, eighty-five".