84960487 has 4 divisors (see below), whose sum is σ = 87032736. Its totient is φ = 82888240.

The previous prime is 84960479. The next prime is 84960497. The reversal of 84960487 is 78406948.

It is a happy number.

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 84960487 - 2³ = 84960479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84960427) 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, 1036063 + ... + 1036144.

It is an arithmetic number, because the mean of its divisors is an integer number (21758184).

Almost surely, 2^84960487 is an apocalyptic number.

84960487 is a deficient number, since it is larger than the sum of its proper divisors (2072249).

84960487 is a wasteful number, since it uses less digits than its factorization.

84960487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072248.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 84960487 is about 9217.4013149043. The cubic root of 84960487 is about 439.6148264872.

The spelling of 84960487 in words is "eighty-four million, nine hundred sixty thousand, four hundred eighty-seven".