84427772 has 48 divisors (see below), whose sum is σ = 176249472. Its totient is φ = 34879680.

The previous prime is 84427753. The next prime is 84427799. The reversal of 84427772 is 27772448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37223 + ... + 39425.

It is an arithmetic number, because the mean of its divisors is an integer number (3671864).

Almost surely, 2^84427772 is an apocalyptic number.

It is an amenable number.

84427772 is an abundant number, since it is smaller than the sum of its proper divisors (91821700).

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

84427772 is a wasteful number, since it uses less digits than its factorization.

84427772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298 (or 2296 counting only the distinct ones).

The product of its digits is 175616, while the sum is 41.

The square root of 84427772 is about 9188.4586302600. The cubic root of 84427772 is about 438.6940824239.

The spelling of 84427772 in words is "eighty-four million, four hundred twenty-seven thousand, seven hundred seventy-two".