2068978936 has 32 divisors (see below), whose sum is σ = 4007577600. Its totient is φ = 1000343520.

The previous prime is 2068978903. The next prime is 2068978937. The reversal of 2068978936 is 6398798602.

It is a super-2 number, since 2×2068978936² = 8561347675223384192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068978937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439845 + ... + 444523.

It is an arithmetic number, because the mean of its divisors is an integer number (125236800).

Almost surely, 2^2068978936 is an apocalyptic number.

It is an amenable number.

2068978936 is a deficient number, since it is larger than the sum of its proper divisors (1938598664).

2068978936 is a wasteful number, since it uses less digits than its factorization.

2068978936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6499 (or 6495 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 58.

The square root of 2068978936 is about 45486.0301191476. The cubic root of 2068978936 is about 1274.2423151208.

The spelling of 2068978936 in words is "two billion, sixty-eight million, nine hundred seventy-eight thousand, nine hundred thirty-six".