869774650 has 24 divisors (see below), whose sum is σ = 1618583904. Its totient is φ = 347737200.

The previous prime is 869774629. The next prime is 869774671. The reversal of 869774650 is 56477968.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (869774629) and next prime (869774671).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157435 + ... + 162865.

It is an arithmetic number, because the mean of its divisors is an integer number (67440996).

Almost surely, 2^869774650 is an apocalyptic number.

869774650 is a deficient number, since it is larger than the sum of its proper divisors (748809254).

869774650 is a wasteful number, since it uses less digits than its factorization.

869774650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8646 (or 8641 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The square root of 869774650 is about 29491.9421198401. The cubic root of 869774650 is about 954.5578392264.

The spelling of 869774650 in words is "eight hundred sixty-nine million, seven hundred seventy-four thousand, six hundred fifty".