876642651 has 24 divisors (see below), whose sum is σ = 1289064816. Its totient is φ = 573935040.

The previous prime is 876642649. The next prime is 876642661. The reversal of 876642651 is 156246678.

It is not a de Polignac number, because 876642651 - 2¹ = 876642649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 876642597 and 876642606.

It is not an unprimeable number, because it can be changed into a prime (876642661) 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 23 ways as a sum of consecutive naturals, for example, 637801 + ... + 639173.

It is an arithmetic number, because the mean of its divisors is an integer number (53711034).

Almost surely, 2^876642651 is an apocalyptic number.

876642651 is a deficient number, since it is larger than the sum of its proper divisors (412422165).

876642651 is a wasteful number, since it uses less digits than its factorization.

876642651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603 (or 2600 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 876642651 is about 29608.1517660255. The cubic root of 876642651 is about 957.0637464375.

The spelling of 876642651 in words is "eight hundred seventy-six million, six hundred forty-two thousand, six hundred fifty-one".