468778569 has 8 divisors (see below), whose sum is σ = 714329280. Its totient is φ = 267873456.

The previous prime is 468778547. The next prime is 468778577. The reversal of 468778569 is 965877864.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 468778569 - 2⁸ = 468778313 is a prime.

It is a super-2 number, since 2×468778569² = 439506693507375522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (468788569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11161374 + ... + 11161415.

It is an arithmetic number, because the mean of its divisors is an integer number (89291160).

Almost surely, 2^468778569 is an apocalyptic number.

It is an amenable number.

468778569 is a deficient number, since it is larger than the sum of its proper divisors (245550711).

468778569 is a wasteful number, since it uses less digits than its factorization.

468778569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22322799.

The product of its digits is 20321280, while the sum is 60.

The square root of 468778569 is about 21651.2948573521. The cubic root of 468778569 is about 776.8239075946.

The spelling of 468778569 in words is "four hundred sixty-eight million, seven hundred seventy-eight thousand, five hundred sixty-nine".