84625479 has 12 divisors (see below), whose sum is σ = 126764456. Its totient is φ = 56416824.

The previous prime is 84625477. The next prime is 84625481. The reversal of 84625479 is 97452648.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84625477) and next prime (84625481).

It is not a de Polignac number, because 84625479 - 2¹ = 84625477 is a prime.

It is a super-2 number, since 2×84625479² = 14322943391958882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84625477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173884 + ... + 174369.

Almost surely, 2^84625479 is an apocalyptic number.

84625479 is a deficient number, since it is larger than the sum of its proper divisors (42138977).

84625479 is an equidigital number, since it uses as much as digits as its factorization.

84625479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348268 (or 348256 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 84625479 is about 9199.2107813660. The cubic root of 84625479 is about 439.0362497589.

The spelling of 84625479 in words is "eighty-four million, six hundred twenty-five thousand, four hundred seventy-nine".