84928725 has 36 divisors (see below), whose sum is σ = 173850976. Its totient is φ = 38823840.

The previous prime is 84928721. The next prime is 84928729. The reversal of 84928725 is 52782948.

It is an interprime number because it is at equal distance from previous prime (84928721) and next prime (84928729).

It is not a de Polignac number, because 84928725 - 2² = 84928721 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84928721) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 25387 + ... + 28536.

Almost surely, 2^84928725 is an apocalyptic number.

It is an amenable number.

84928725 is an abundant number, since it is smaller than the sum of its proper divisors (88922251).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84928725 is a wasteful number, since it uses less digits than its factorization.

84928725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53946 (or 53938 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 84928725 is about 9215.6782170386. The cubic root of 84928725 is about 439.5600371493.

The spelling of 84928725 in words is "eighty-four million, nine hundred twenty-eight thousand, seven hundred twenty-five".