85993580 has 24 divisors (see below), whose sum is σ = 182619360. Its totient is φ = 34010240.

The previous prime is 85993571. The next prime is 85993603. The reversal of 85993580 is 8539958.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22376 + ... + 25935.

It is an arithmetic number, because the mean of its divisors is an integer number (7609140).

Almost surely, 2^85993580 is an apocalyptic number.

It is an amenable number.

85993580 is an abundant number, since it is smaller than the sum of its proper divisors (96625780).

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

85993580 is a wasteful number, since it uses less digits than its factorization.

85993580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48409 (or 48407 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 85993580 is about 9273.2723458335. The cubic root of 85993580 is about 441.3895122841.

The spelling of 85993580 in words is "eighty-five million, nine hundred ninety-three thousand, five hundred eighty".