85773580 has 24 divisors (see below), whose sum is σ = 180322128. Its totient is φ = 34271808.

The previous prime is 85773563. The next prime is 85773593. The reversal of 85773580 is 8537758.

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, 23007 + ... + 26473.

It is an arithmetic number, because the mean of its divisors is an integer number (7513422).

Almost surely, 2^85773580 is an apocalyptic number.

It is an amenable number.

85773580 is an abundant number, since it is smaller than the sum of its proper divisors (94548548).

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

85773580 is a wasteful number, since it uses less digits than its factorization.

85773580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713 (or 4711 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 85773580 is about 9261.4027015350. The cubic root of 85773580 is about 441.0127840831.

The spelling of 85773580 in words is "eighty-five million, seven hundred seventy-three thousand, five hundred eighty".