85715469 has 64 divisors (see below), whose sum is σ = 152064000. Its totient is φ = 46702656.

The previous prime is 85715449. The next prime is 85715489. The reversal of 85715469 is 96451758.

It is an interprime number because it is at equal distance from previous prime (85715449) and next prime (85715489).

It is not a de Polignac number, because 85715469 - 2¹¹ = 85713421 is a prime.

It is a super-2 number, since 2×85715469² = 14694283251779922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85715449) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 430632 + ... + 430830.

It is an arithmetic number, because the mean of its divisors is an integer number (2376000).

Almost surely, 2^85715469 is an apocalyptic number.

It is an amenable number.

85715469 is a deficient number, since it is larger than the sum of its proper divisors (66348531).

85715469 is a wasteful number, since it uses less digits than its factorization.

85715469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 305 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 85715469 is about 9258.2649022374. The cubic root of 85715469 is about 440.9131672251.

The spelling of 85715469 in words is "eighty-five million, seven hundred fifteen thousand, four hundred sixty-nine".