769256401 has 4 divisors (see below), whose sum is σ = 809743600. Its totient is φ = 728769204.

The previous prime is 769256393. The next prime is 769256419. The reversal of 769256401 is 104652967.

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 a cyclic number.

It is not a de Polignac number, because 769256401 - 2³ = 769256393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (769256431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20243571 + ... + 20243608.

It is an arithmetic number, because the mean of its divisors is an integer number (202435900).

Almost surely, 2^769256401 is an apocalyptic number.

It is an amenable number.

769256401 is a deficient number, since it is larger than the sum of its proper divisors (40487199).

769256401 is a wasteful number, since it uses less digits than its factorization.

769256401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40487198.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 769256401 is about 27735.4718907034. The cubic root of 769256401 is about 916.2705039562.

The spelling of 769256401 in words is "seven hundred sixty-nine million, two hundred fifty-six thousand, four hundred one".