772408469 has 4 divisors (see below), whose sum is σ = 882752544. Its totient is φ = 662064396.

The previous prime is 772408459. The next prime is 772408477. The reversal of 772408469 is 964804277.

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 not a de Polignac number, because 772408469 - 2⁴ = 772408453 is a prime.

It is a super-2 number, since 2×772408469² = 1193229685965847922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772408459) 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, 55172027 + ... + 55172040.

It is an arithmetic number, because the mean of its divisors is an integer number (220688136).

Almost surely, 2^772408469 is an apocalyptic number.

It is an amenable number.

772408469 is a deficient number, since it is larger than the sum of its proper divisors (110344075).

772408469 is a wasteful number, since it uses less digits than its factorization.

772408469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110344074.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 772408469 is about 27792.2375673496. The cubic root of 772408469 is about 917.5202871275.

The spelling of 772408469 in words is "seven hundred seventy-two million, four hundred eight thousand, four hundred sixty-nine".