84687053 has 12 divisors (see below), whose sum is σ = 93308544. Its totient is φ = 76804200.

The previous prime is 84687041. The next prime is 84687061. The reversal of 84687053 is 35078648.

It is a happy number.

It is not a de Polignac number, because 84687053 - 2¹⁰ = 84686029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84687053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84687553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97700 + ... + 98562.

It is an arithmetic number, because the mean of its divisors is an integer number (7775712).

Almost surely, 2^84687053 is an apocalyptic number.

It is an amenable number.

84687053 is a deficient number, since it is larger than the sum of its proper divisors (8621491).

84687053 is a wasteful number, since it uses less digits than its factorization.

84687053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1685 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 84687053 is about 9202.5568729566. The cubic root of 84687053 is about 439.1427057361.

The spelling of 84687053 in words is "eighty-four million, six hundred eighty-seven thousand, fifty-three".