766440224869 has 8 divisors (see below), whose sum is σ = 853906324608. Its totient is φ = 681939077760.

The previous prime is 766440224839. The next prime is 766440224903. The reversal of 766440224869 is 968422044667.

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

It is not a de Polignac number, because 766440224869 - 2⁷ = 766440224741 is a prime.

It is a super-2 number, since 2×766440224869² (a number of 25 digits) 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 (766440224839) 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, 741237612 + ... + 741238645.

It is an arithmetic number, because the mean of its divisors is an integer number (106738290576).

Almost surely, 2^766440224869 is an apocalyptic number.

It is an amenable number.

766440224869 is a deficient number, since it is larger than the sum of its proper divisors (87466099739).

766440224869 is a wasteful number, since it uses less digits than its factorization.

766440224869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482476315.

The product of its (nonzero) digits is 27869184, while the sum is 58.

The spelling of 766440224869 in words is "seven hundred sixty-six billion, four hundred forty million, two hundred twenty-four thousand, eight hundred sixty-nine".