84889280 has 56 divisors (see below), whose sum is σ = 231026208. Its totient is φ = 29104128.

The previous prime is 84889271. The next prime is 84889307. The reversal of 84889280 is 8298848.

It is a tau number, because it is divible by the number of its divisors (56).

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, 16709 + ... + 21188.

It is an arithmetic number, because the mean of its divisors is an integer number (4125468).

Almost surely, 2^84889280 is an apocalyptic number.

84889280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84889280 is an abundant number, since it is smaller than the sum of its proper divisors (146136928).

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

84889280 is a wasteful number, since it uses less digits than its factorization.

84889280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37921 (or 37911 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 47.

The square root of 84889280 is about 9213.5378655541. The cubic root of 84889280 is about 439.4919756439.

The spelling of 84889280 in words is "eighty-four million, eight hundred eighty-nine thousand, two hundred eighty".