84557629 has 6 divisors (see below), whose sum is σ = 91562586. Its totient is φ = 78053040.

The previous prime is 84557597. The next prime is 84557647. The reversal of 84557629 is 92675548.

It can be written as a sum of positive squares in 3 ways, for example, as 9604 + 84548025 = 98^2 + 9195^2 .

It is not a de Polignac number, because 84557629 - 2⁵ = 84557597 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 (84557659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250002 + ... + 250339.

It is an arithmetic number, because the mean of its divisors is an integer number (15260431).

Almost surely, 2^84557629 is an apocalyptic number.

It is an amenable number.

84557629 is a deficient number, since it is larger than the sum of its proper divisors (7004957).

84557629 is a wasteful number, since it uses less digits than its factorization.

84557629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500367 (or 500354 counting only the distinct ones).

The product of its digits is 604800, while the sum is 46.

The square root of 84557629 is about 9195.5222255182. The cubic root of 84557629 is about 438.9188833163.

The spelling of 84557629 in words is "eighty-four million, five hundred fifty-seven thousand, six hundred twenty-nine".