868472424651 has 64 divisors (see below), whose sum is σ = 1320581283840. Its totient is φ = 503626865280.

The previous prime is 868472424647. The next prime is 868472424653. The reversal of 868472424651 is 156424274868.

It is a happy number.

It is not a de Polignac number, because 868472424651 - 2² = 868472424647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 868472424591 and 868472424600.

It is not an unprimeable number, because it can be changed into a prime (868472424653) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 99283660 + ... + 99292406.

It is an arithmetic number, because the mean of its divisors is an integer number (20634082560).

Almost surely, 2^868472424651 is an apocalyptic number.

868472424651 is a deficient number, since it is larger than the sum of its proper divisors (452108859189).

868472424651 is a wasteful number, since it uses less digits than its factorization.

868472424651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10416.

The product of its digits is 20643840, while the sum is 57.

The spelling of 868472424651 in words is "eight hundred sixty-eight billion, four hundred seventy-two million, four hundred twenty-four thousand, six hundred fifty-one".