85580747 has 16 divisors (see below), whose sum is σ = 99633600. Its totient is φ = 71995392.

The previous prime is 85580717. The next prime is 85580753. The reversal of 85580747 is 74708558.

It is not a de Polignac number, because 85580747 - 2¹⁴ = 85564363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85580698 and 85580707.

It is not an unprimeable number, because it can be changed into a prime (85580717) 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, 190379 + ... + 190827.

It is an arithmetic number, because the mean of its divisors is an integer number (6227100).

Almost surely, 2^85580747 is an apocalyptic number.

85580747 is a deficient number, since it is larger than the sum of its proper divisors (14052853).

85580747 is a wasteful number, since it uses less digits than its factorization.

85580747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902.

The product of its (nonzero) digits is 313600, while the sum is 44.

The square root of 85580747 is about 9250.9862717442. The cubic root of 85580747 is about 440.6820465483.

The spelling of 85580747 in words is "eighty-five million, five hundred eighty thousand, seven hundred forty-seven".