769380305 has 16 divisors (see below), whose sum is σ = 983235024. Its totient is φ = 575938560.

The previous prime is 769380301. The next prime is 769380307. The reversal of 769380305 is 503083967.

It can be written as a sum of positive squares in 8 ways, for example, as 31225744 + 738154561 = 5588^2 + 27169^2 .

It is not a de Polignac number, because 769380305 - 2² = 769380301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (769380301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11456 + ... + 40865.

It is an arithmetic number, because the mean of its divisors is an integer number (61452189).

Almost surely, 2^769380305 is an apocalyptic number.

It is an amenable number.

769380305 is a deficient number, since it is larger than the sum of its proper divisors (213854719).

769380305 is a wasteful number, since it uses less digits than its factorization.

769380305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52516.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 769380305 is about 27737.7054746783. The cubic root of 769380305 is about 916.3196958275.

The spelling of 769380305 in words is "seven hundred sixty-nine million, three hundred eighty thousand, three hundred five".