85942880 has 24 divisors (see below), whose sum is σ = 203040432. Its totient is φ = 34377088.

The previous prime is 85942861. The next prime is 85942889. The reversal of 85942880 is 8824958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85942889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268412 + ... + 268731.

It is an arithmetic number, because the mean of its divisors is an integer number (8460018).

Almost surely, 2^85942880 is an apocalyptic number.

85942880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85942880 is an abundant number, since it is smaller than the sum of its proper divisors (117097552).

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

85942880 is a wasteful number, since it uses less digits than its factorization.

85942880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537158 (or 537150 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 85942880 is about 9270.5382799490. The cubic root of 85942880 is about 441.3027505837.

The spelling of 85942880 in words is "eighty-five million, nine hundred forty-two thousand, eight hundred eighty".