85030479 has 20 divisors (see below), whose sum is σ = 129980136. Its totient is φ = 55366416.

The previous prime is 85030457. The next prime is 85030487. The reversal of 85030479 is 97403058.

It is not a de Polignac number, because 85030479 - 2⁸ = 85030223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85030409) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8724 + ... + 15689.

Almost surely, 2^85030479 is an apocalyptic number.

85030479 is a deficient number, since it is larger than the sum of its proper divisors (44949657).

85030479 is a wasteful number, since it uses less digits than its factorization.

85030479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24468 (or 24459 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 85030479 is about 9221.1972649976. The cubic root of 85030479 is about 439.7355142578.

It can be divided in two parts, 8503047 and 9, that added together give a 4-th power (8503056 = 54⁴).

The spelling of 85030479 in words is "eighty-five million, thirty thousand, four hundred seventy-nine".