876947649 has 8 divisors (see below), whose sum is σ = 1173073440. Its totient is φ = 582726816.

The previous prime is 876947627. The next prime is 876947681. The reversal of 876947649 is 946749678.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 876947649 - 2¹⁶ = 876882113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 876947592 and 876947601.

It is not an unprimeable number, because it can be changed into a prime (876947689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475164 + ... + 477005.

It is an arithmetic number, because the mean of its divisors is an integer number (146634180).

Almost surely, 2^876947649 is an apocalyptic number.

It is an amenable number.

876947649 is a deficient number, since it is larger than the sum of its proper divisors (296125791).

876947649 is a wasteful number, since it uses less digits than its factorization.

876947649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952479.

The product of its digits is 18289152, while the sum is 60.

The square root of 876947649 is about 29613.3018928994. The cubic root of 876947649 is about 957.1747261631.

The spelling of 876947649 in words is "eight hundred seventy-six million, nine hundred forty-seven thousand, six hundred forty-nine".