84813477 has 8 divisors (see below), whose sum is σ = 129239616. Its totient is φ = 48464832.

The previous prime is 84813457. The next prime is 84813481. The reversal of 84813477 is 77431848.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84813477 - 2⁶ = 84813413 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84813457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2019348 + ... + 2019389.

It is an arithmetic number, because the mean of its divisors is an integer number (16154952).

Almost surely, 2^84813477 is an apocalyptic number.

It is an amenable number.

84813477 is a deficient number, since it is larger than the sum of its proper divisors (44426139).

84813477 is a wasteful number, since it uses less digits than its factorization.

84813477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038747.

The product of its digits is 150528, while the sum is 42.

The square root of 84813477 is about 9209.4232718450. The cubic root of 84813477 is about 439.3611199715.

The spelling of 84813477 in words is "eighty-four million, eight hundred thirteen thousand, four hundred seventy-seven".