85228480 has 56 divisors (see below), whose sum is σ = 214902288. Its totient is φ = 32083968.

The previous prime is 85228459. The next prime is 85228499. The reversal of 85228480 is 8482258.

It is a super-2 number, since 2×85228480² = 14527787606220800, which contains 22 as substring.

It is a congruent number.

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, 2394 + ... + 13273.

Almost surely, 2^85228480 is an apocalyptic number.

85228480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85228480 is an abundant number, since it is smaller than the sum of its proper divisors (129673808).

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

85228480 is a wasteful number, since it uses less digits than its factorization.

85228480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15701 (or 15691 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 37.

The square root of 85228480 is about 9231.9272094184. The cubic root of 85228480 is about 440.0765706961.

The spelling of 85228480 in words is "eighty-five million, two hundred twenty-eight thousand, four hundred eighty".