85469680 has 20 divisors (see below), whose sum is σ = 198717192. Its totient is φ = 34187840.

The previous prime is 85469677. The next prime is 85469731. The reversal of 85469680 is 8696458.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 85469680.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534106 + ... + 534265.

Almost surely, 2^85469680 is an apocalyptic number.

85469680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85469680 is an abundant number, since it is smaller than the sum of its proper divisors (113247512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85469680 is a wasteful number, since it uses less digits than its factorization.

85469680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068384 (or 1068378 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 85469680 is about 9244.9813412467. The cubic root of 85469680 is about 440.4913244383.

The spelling of 85469680 in words is "eighty-five million, four hundred sixty-nine thousand, six hundred eighty".