85669560 has 48 divisors (see below), whose sum is σ = 278427240. Its totient is φ = 22845120.

The previous prime is 85669553. The next prime is 85669583. The reversal of 85669560 is 6596658.

85669560 is a `hidden beast` number, since 85 + 6 + 6 + 9 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118626 + ... + 119345.

Almost surely, 2^85669560 is an apocalyptic number.

It is an amenable number.

85669560 is an abundant number, since it is smaller than the sum of its proper divisors (192757680).

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

85669560 is a wasteful number, since it uses less digits than its factorization.

85669560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237988 (or 237981 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 85669560 is about 9255.7852179056. The cubic root of 85669560 is about 440.8344358217.

The spelling of 85669560 in words is "eighty-five million, six hundred sixty-nine thousand, five hundred sixty".