769022845 has 16 divisors (see below), whose sum is σ = 945492912. Its totient is φ = 600238080.

The previous prime is 769022827. The next prime is 769022857. The reversal of 769022845 is 548220967.

It can be written as a sum of positive squares in 8 ways, for example, as 290157156 + 478865689 = 17034^2 + 21883^2 .

It is not a de Polignac number, because 769022845 - 2²¹ = 766925693 is a prime.

It is a super-2 number, since 2×769022845² = 1182792272263788050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39949 + ... + 55981.

It is an arithmetic number, because the mean of its divisors is an integer number (59093307).

Almost surely, 2^769022845 is an apocalyptic number.

It is an amenable number.

769022845 is a deficient number, since it is larger than the sum of its proper divisors (176470067).

769022845 is a wasteful number, since it uses less digits than its factorization.

769022845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16272.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 769022845 is about 27731.2611505499. The cubic root of 769022845 is about 916.1777641212.

The spelling of 769022845 in words is "seven hundred sixty-nine million, twenty-two thousand, eight hundred forty-five".