67689999783 has 48 divisors (see below), whose sum is σ = 118252136160. Its totient is φ = 38150082432.

The previous prime is 67689999779. The next prime is 67689999829. The reversal of 67689999783 is 38799998676.

It is not a de Polignac number, because 67689999783 - 2² = 67689999779 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67689999703) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 253860 + ... + 447017.

It is an arithmetic number, because the mean of its divisors is an integer number (2463586170).

Almost surely, 2^67689999783 is an apocalyptic number.

67689999783 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

67689999783 is a deficient number, since it is larger than the sum of its proper divisors (50562136377).

67689999783 is a wasteful number, since it uses less digits than its factorization.

67689999783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700973 (or 700960 counting only the distinct ones).

The product of its digits is 2222131968, while the sum is 81.

The spelling of 67689999783 in words is "sixty-seven billion, six hundred eighty-nine million, nine hundred ninety-nine thousand, seven hundred eighty-three".