84625663 has 4 divisors (see below), whose sum is σ = 84774960. Its totient is φ = 84476368.

The previous prime is 84625661. The next prime is 84625687. The reversal of 84625663 is 36652648.

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 84625663 - 2¹ = 84625661 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 (84625661) 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, 73795 + ... + 74932.

It is an arithmetic number, because the mean of its divisors is an integer number (21193740).

Almost surely, 2^84625663 is an apocalyptic number.

84625663 is a deficient number, since it is larger than the sum of its proper divisors (149297).

84625663 is a wasteful number, since it uses less digits than its factorization.

84625663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149296.

The product of its digits is 207360, while the sum is 40.

The square root of 84625663 is about 9199.2207822185. The cubic root of 84625663 is about 439.0365679555.

The spelling of 84625663 in words is "eighty-four million, six hundred twenty-five thousand, six hundred sixty-three".