9085719479 has 4 divisors (see below), whose sum is σ = 9620173584. Its totient is φ = 8551265376.

The previous prime is 9085719473. The next prime is 9085719523. The reversal of 9085719479 is 9749175809.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9085719479 - 2¹⁶ = 9085653943 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 (9085719473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267227027 + ... + 267227060.

It is an arithmetic number, because the mean of its divisors is an integer number (2405043396).

Almost surely, 2^9085719479 is an apocalyptic number.

9085719479 is a deficient number, since it is larger than the sum of its proper divisors (534454105).

9085719479 is a wasteful number, since it uses less digits than its factorization.

9085719479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534454104.

The product of its (nonzero) digits is 5715360, while the sum is 59.

The square root of 9085719479 is about 95319.0404850993. The cubic root of 9085719479 is about 2086.6668082449. Note that the first 3 decimals are identical.

The spelling of 9085719479 in words is "nine billion, eighty-five million, seven hundred nineteen thousand, four hundred seventy-nine".