89660662711 has 4 divisors (see below), whose sum is σ = 90055643832. Its totient is φ = 89265681592.

The previous prime is 89660662697. The next prime is 89660662757. The reversal of 89660662711 is 11726606698.

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

It is a cyclic number.

It is not a de Polignac number, because 89660662711 - 2²¹ = 89658565559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89660662411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197490220 + ... + 197490673.

It is an arithmetic number, because the mean of its divisors is an integer number (22513910958).

Almost surely, 2^89660662711 is an apocalyptic number.

89660662711 is a deficient number, since it is larger than the sum of its proper divisors (394981121).

89660662711 is a wasteful number, since it uses less digits than its factorization.

89660662711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394981120.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 89660662711 in words is "eighty-nine billion, six hundred sixty million, six hundred sixty-two thousand, seven hundred eleven".