469777091 has 4 divisors (see below), whose sum is σ = 536888112. Its totient is φ = 402666072.

The previous prime is 469777081. The next prime is 469777097. The reversal of 469777091 is 190777964.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-469777091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (469777097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33555500 + ... + 33555513.

It is an arithmetic number, because the mean of its divisors is an integer number (134222028).

Almost surely, 2^469777091 is an apocalyptic number.

469777091 is a deficient number, since it is larger than the sum of its proper divisors (67111021).

469777091 is an equidigital number, since it uses as much as digits as its factorization.

469777091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67111020.

The product of its (nonzero) digits is 666792, while the sum is 50.

The square root of 469777091 is about 21674.3417662452. The cubic root of 469777091 is about 777.3750744789.

The spelling of 469777091 in words is "four hundred sixty-nine million, seven hundred seventy-seven thousand, ninety-one".