84477460 has 12 divisors (see below), whose sum is σ = 177402708. Its totient is φ = 33790976.

The previous prime is 84477443. The next prime is 84477469. The reversal of 84477460 is 6477448.

It can be written as a sum of positive squares in 2 ways, for example, as 33154564 + 51322896 = 5758^2 + 7164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84477469) 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, 2111917 + ... + 2111956.

It is an arithmetic number, because the mean of its divisors is an integer number (14783559).

Almost surely, 2^84477460 is an apocalyptic number.

It is an amenable number.

84477460 is an abundant number, since it is smaller than the sum of its proper divisors (92925248).

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

84477460 is a wasteful number, since it uses less digits than its factorization.

84477460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4223882 (or 4223880 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 40.

The square root of 84477460 is about 9191.1620592828. The cubic root of 84477460 is about 438.7801266099.

The spelling of 84477460 in words is "eighty-four million, four hundred seventy-seven thousand, four hundred sixty".