94661789 has 4 divisors (see below), whose sum is σ = 94728480. Its totient is φ = 94595100.

The previous prime is 94661773. The next prime is 94661839. The reversal of 94661789 is 98716649.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98716649 = 409 ⋅241361.

It is a cyclic number.

It is not a de Polignac number, because 94661789 - 2⁴ = 94661773 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 (94661719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31169 + ... + 34070.

It is an arithmetic number, because the mean of its divisors is an integer number (23682120).

Almost surely, 2^94661789 is an apocalyptic number.

It is an amenable number.

94661789 is a deficient number, since it is larger than the sum of its proper divisors (66691).

94661789 is a wasteful number, since it uses less digits than its factorization.

94661789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66690.

The product of its digits is 653184, while the sum is 50.

The square root of 94661789 is about 9729.4290171623. The cubic root of 94661789 is about 455.7481376279.

The spelling of 94661789 in words is "ninety-four million, six hundred sixty-one thousand, seven hundred eighty-nine".