84477398 has 16 divisors (see below), whose sum is σ = 128304000. Its totient is φ = 41712192.

The previous prime is 84477391. The next prime is 84477409. The reversal of 84477398 is 89377448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84477391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104018 + ... + 104826.

It is an arithmetic number, because the mean of its divisors is an integer number (8019000).

Almost surely, 2^84477398 is an apocalyptic number.

84477398 is a deficient number, since it is larger than the sum of its proper divisors (43826602).

84477398 is a wasteful number, since it uses less digits than its factorization.

84477398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399.

The product of its digits is 1354752, while the sum is 50.

The square root of 84477398 is about 9191.1586864769. The cubic root of 84477398 is about 438.7800192662.

Adding to 84477398 its sum of digits (50), we get a palindrome (84477448).

The spelling of 84477398 in words is "eighty-four million, four hundred seventy-seven thousand, three hundred ninety-eight".