84477272 has 16 divisors (see below), whose sum is σ = 172794600. Its totient is φ = 38398720.

The previous prime is 84477271. The next prime is 84477277. The reversal of 84477272 is 27277448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84477271) 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, 479897 + ... + 480072.

Almost surely, 2^84477272 is an apocalyptic number.

It is an amenable number.

84477272 is an abundant number, since it is smaller than the sum of its proper divisors (88317328).

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

84477272 is a wasteful number, since it uses less digits than its factorization.

84477272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959986 (or 959982 counting only the distinct ones).

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

The square root of 84477272 is about 9191.1518320611. The cubic root of 84477272 is about 438.7798011159.

The spelling of 84477272 in words is "eighty-four million, four hundred seventy-seven thousand, two hundred seventy-two".