89680655 has 4 divisors (see below), whose sum is σ = 107616792. Its totient is φ = 71744520.

The previous prime is 89680631. The next prime is 89680693. The reversal of 89680655 is 55608698.

It is a happy number.

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

It is not a de Polignac number, because 89680655 - 2¹⁴ = 89664271 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, 8968061 + ... + 8968070.

It is an arithmetic number, because the mean of its divisors is an integer number (26904198).

Almost surely, 2^89680655 is an apocalyptic number.

89680655 is a deficient number, since it is larger than the sum of its proper divisors (17936137).

89680655 is a wasteful number, since it uses less digits than its factorization.

89680655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17936136.

The product of its (nonzero) digits is 518400, while the sum is 47.

The square root of 89680655 is about 9469.9870644051. The cubic root of 89680655 is about 447.6098042087.

The spelling of 89680655 in words is "eighty-nine million, six hundred eighty thousand, six hundred fifty-five".