85479039 has 12 divisors (see below), whose sum is σ = 123840496. Its totient is φ = 56814912.

The previous prime is 85479029. The next prime is 85479049. The reversal of 85479039 is 93097458.

It is an interprime number because it is at equal distance from previous prime (85479029) and next prime (85479049).

It is not a de Polignac number, because 85479039 - 2¹² = 85474943 is a prime.

It is a super-2 number, since 2×85479039² = 14613332216727042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85478985 and 85479003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85479029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11059 + ... + 17124.

Almost surely, 2^85479039 is an apocalyptic number.

85479039 is a deficient number, since it is larger than the sum of its proper divisors (38361457).

85479039 is a wasteful number, since it uses less digits than its factorization.

85479039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28526 (or 28523 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 85479039 is about 9245.4874939075. The cubic root of 85479039 is about 440.5074019052.

The spelling of 85479039 in words is "eighty-five million, four hundred seventy-nine thousand, thirty-nine".