96778489 has 4 divisors (see below), whose sum is σ = 96841360. Its totient is φ = 96715620.

The previous prime is 96778483. The next prime is 96778523. The reversal of 96778489 is 98487769.

It is a happy number.

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: 98487769 = 179 ⋅550211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-96778489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (96778483) 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, 29067 + ... + 32224.

It is an arithmetic number, because the mean of its divisors is an integer number (24210340).

Almost surely, 2^96778489 is an apocalyptic number.

It is an amenable number.

96778489 is a deficient number, since it is larger than the sum of its proper divisors (62871).

96778489 is a wasteful number, since it uses less digits than its factorization.

96778489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62870.

The product of its digits is 6096384, while the sum is 58.

The square root of 96778489 is about 9837.6058571179. The cubic root of 96778489 is about 459.1200711754.

The spelling of 96778489 in words is "ninety-six million, seven hundred seventy-eight thousand, four hundred eighty-nine".