85880580 has 48 divisors (see below), whose sum is σ = 240886464. Its totient is φ = 22861440.

The previous prime is 85880579. The next prime is 85880611. The reversal of 85880580 is 8508858.

It is a super-3 number, since 3×85880580³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52170 + ... + 53790.

It is an arithmetic number, because the mean of its divisors is an integer number (5018468).

Almost surely, 2^85880580 is an apocalyptic number.

It is an amenable number.

85880580 is an abundant number, since it is smaller than the sum of its proper divisors (155005884).

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

85880580 is a wasteful number, since it uses less digits than its factorization.

85880580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516 (or 2514 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 42.

The square root of 85880580 is about 9267.1775638541. The cubic root of 85880580 is about 441.1960913418.

The spelling of 85880580 in words is "eighty-five million, eight hundred eighty thousand, five hundred eighty".