89618061 has 16 divisors (see below), whose sum is σ = 130606784. Its totient is φ = 54324864.

The previous prime is 89618059. The next prime is 89618077. The reversal of 89618061 is 16081698.

It is not a de Polignac number, because 89618061 - 2¹ = 89618059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89618021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14536 + ... + 19761.

It is an arithmetic number, because the mean of its divisors is an integer number (8162924).

Almost surely, 2^89618061 is an apocalyptic number.

It is an amenable number.

89618061 is a deficient number, since it is larger than the sum of its proper divisors (40988723).

89618061 is a wasteful number, since it uses less digits than its factorization.

89618061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34380.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 89618061 is about 9466.6816255750. The cubic root of 89618061 is about 447.5056412426.

The spelling of 89618061 in words is "eighty-nine million, six hundred eighteen thousand, sixty-one".