84877725 has 24 divisors (see below), whose sum is σ = 140725120. Its totient is φ = 45141120.

The previous prime is 84877691. The next prime is 84877739. The reversal of 84877725 is 52777848.

It is a happy number.

It is not a de Polignac number, because 84877725 - 2⁹ = 84877213 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29292 + ... + 32058.

Almost surely, 2^84877725 is an apocalyptic number.

It is an amenable number.

84877725 is a deficient number, since it is larger than the sum of its proper divisors (55847395).

84877725 is a wasteful number, since it uses less digits than its factorization.

84877725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189 (or 3184 counting only the distinct ones).

The product of its digits is 878080, while the sum is 48.

The square root of 84877725 is about 9212.9107778161. The cubic root of 84877725 is about 439.4720337454.

The spelling of 84877725 in words is "eighty-four million, eight hundred seventy-seven thousand, seven hundred twenty-five".