869145416 has 8 divisors (see below), whose sum is σ = 1629647670. Its totient is φ = 434572704.

The previous prime is 869145391. The next prime is 869145437. The reversal of 869145416 is 614541968.

869145416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 459244900 + 409900516 = 21430^2 + 20246^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54321581 + ... + 54321596.

Almost surely, 2^869145416 is an apocalyptic number.

It is an amenable number.

869145416 is a deficient number, since it is larger than the sum of its proper divisors (760502254).

869145416 is a wasteful number, since it uses less digits than its factorization.

869145416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108643183 (or 108643179 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 869145416 is about 29481.2722927624. The cubic root of 869145416 is about 954.3275937067.

The spelling of 869145416 in words is "eight hundred sixty-nine million, one hundred forty-five thousand, four hundred sixteen".