89725655 has 4 divisors (see below), whose sum is σ = 107670792. Its totient is φ = 71780520.

The previous prime is 89725637. The next prime is 89725667. The reversal of 89725655 is 55652798.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 89725655 - 2⁶ = 89725591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8972561 + ... + 8972570.

It is an arithmetic number, because the mean of its divisors is an integer number (26917698).

Almost surely, 2^89725655 is an apocalyptic number.

89725655 is a deficient number, since it is larger than the sum of its proper divisors (17945137).

89725655 is a wasteful number, since it uses less digits than its factorization.

89725655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17945136.

The product of its digits is 756000, while the sum is 47.

The square root of 89725655 is about 9472.3626936472. The cubic root of 89725655 is about 447.6846589738.

The spelling of 89725655 in words is "eighty-nine million, seven hundred twenty-five thousand, six hundred fifty-five".