67923885782 has 16 divisors (see below), whose sum is σ = 105449968800. Its totient is φ = 32775025920.

The previous prime is 67923885769. The next prime is 67923885829. The reversal of 67923885782 is 28758832976.

It is a super-2 number, since 2×67923885782² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160682 + ... + 402077.

It is an arithmetic number, because the mean of its divisors is an integer number (6590623050).

Almost surely, 2^67923885782 is an apocalyptic number.

67923885782 is a deficient number, since it is larger than the sum of its proper divisors (37526083018).

67923885782 is a wasteful number, since it uses less digits than its factorization.

67923885782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564871.

The product of its digits is 81285120, while the sum is 65.

The spelling of 67923885782 in words is "sixty-seven billion, nine hundred twenty-three million, eight hundred eighty-five thousand, seven hundred eighty-two".