869974151 has 4 divisors (see below), whose sum is σ = 890206152. Its totient is φ = 849742152.

The previous prime is 869974141. The next prime is 869974181. The reversal of 869974151 is 151479968.

869974151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 869974151 - 2⁶ = 869974087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 869974151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869974141) 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, 10115936 + ... + 10116021.

It is an arithmetic number, because the mean of its divisors is an integer number (222551538).

Almost surely, 2^869974151 is an apocalyptic number.

869974151 is a deficient number, since it is larger than the sum of its proper divisors (20232001).

869974151 is a wasteful number, since it uses less digits than its factorization.

869974151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20232000.

The product of its digits is 544320, while the sum is 50.

The square root of 869974151 is about 29495.3242226628. The cubic root of 869974151 is about 954.6308162461.

The spelling of 869974151 in words is "eight hundred sixty-nine million, nine hundred seventy-four thousand, one hundred fifty-one".