65098789 has 4 divisors (see below), whose sum is σ = 74398624. Its totient is φ = 55798956.

The previous prime is 65098757. The next prime is 65098793. The reversal of 65098789 is 98789056.

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.

It is a cyclic number.

It is not a de Polignac number, because 65098789 - 2⁵ = 65098757 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65098489) 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, 4649907 + ... + 4649920.

It is an arithmetic number, because the mean of its divisors is an integer number (18599656).

Almost surely, 2^65098789 is an apocalyptic number.

It is an amenable number.

65098789 is a deficient number, since it is larger than the sum of its proper divisors (9299835).

65098789 is an equidigital number, since it uses as much as digits as its factorization.

65098789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9299834.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The square root of 65098789 is about 8068.3820559019. The cubic root of 65098789 is about 402.2761668432.

The spelling of 65098789 in words is "sixty-five million, ninety-eight thousand, seven hundred eighty-nine".