769109853 has 4 divisors (see below), whose sum is σ = 1025479808. Its totient is φ = 512739900.

The previous prime is 769109851. The next prime is 769109863. The reversal of 769109853 is 358901967.

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 769109853 - 2¹ = 769109851 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769109851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128184973 + ... + 128184978.

It is an arithmetic number, because the mean of its divisors is an integer number (256369952).

Almost surely, 2^769109853 is an apocalyptic number.

It is an amenable number.

769109853 is a deficient number, since it is larger than the sum of its proper divisors (256369955).

769109853 is a wasteful number, since it uses less digits than its factorization.

769109853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256369954.

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 769109853 is about 27732.8298772412. The cubic root of 769109853 is about 916.2123152355.

The spelling of 769109853 in words is "seven hundred sixty-nine million, one hundred nine thousand, eight hundred fifty-three".