6872813396 has 6 divisors (see below), whose sum is σ = 12027423450. Its totient is φ = 3436406696.

The previous prime is 6872813383. The next prime is 6872813401. The reversal of 6872813396 is 6933182786.

It can be written as a sum of positive squares in only one way, i.e., 5831460496 + 1041352900 = 76364^2 + 32270^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 859101671 + ... + 859101678.

It is an arithmetic number, because the mean of its divisors is an integer number (2004570575).

Almost surely, 2^6872813396 is an apocalyptic number.

It is an amenable number.

6872813396 is a deficient number, since it is larger than the sum of its proper divisors (5154610054).

6872813396 is a wasteful number, since it uses less digits than its factorization.

6872813396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718203353 (or 1718203351 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 53.

The square root of 6872813396 is about 82902.4329920419. The cubic root of 6872813396 is about 1901.2746198883.

The spelling of 6872813396 in words is "six billion, eight hundred seventy-two million, eight hundred thirteen thousand, three hundred ninety-six".