70607881838 has 64 divisors (see below), whose sum is σ = 126165755520. Its totient is φ = 29303611392.

The previous prime is 70607881837. The next prime is 70607881849. The reversal of 70607881838 is 83818870607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70607881837) 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 31 ways as a sum of consecutive naturals, for example, 9928628 + ... + 9935736.

It is an arithmetic number, because the mean of its divisors is an integer number (1971339930).

Almost surely, 2^70607881838 is an apocalyptic number.

70607881838 is a deficient number, since it is larger than the sum of its proper divisors (55557873682).

70607881838 is a wasteful number, since it uses less digits than its factorization.

70607881838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8141.

The product of its (nonzero) digits is 3612672, while the sum is 56.

The spelling of 70607881838 in words is "seventy billion, six hundred seven million, eight hundred eighty-one thousand, eight hundred thirty-eight".