84476387 has 4 divisors (see below), whose sum is σ = 84610896. Its totient is φ = 84341880.

The previous prime is 84476369. The next prime is 84476411. The reversal of 84476387 is 78367448.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84476387 - 2⁶ = 84476323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84476317) 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, 66308 + ... + 67569.

It is an arithmetic number, because the mean of its divisors is an integer number (21152724).

Almost surely, 2^84476387 is an apocalyptic number.

84476387 is a deficient number, since it is larger than the sum of its proper divisors (134509).

84476387 is a wasteful number, since it uses less digits than its factorization.

84476387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134508.

The product of its digits is 903168, while the sum is 47.

The square root of 84476387 is about 9191.1036878059. The cubic root of 84476387 is about 438.7782688636.

The spelling of 84476387 in words is "eighty-four million, four hundred seventy-six thousand, three hundred eighty-seven".