67822138356 has 24 divisors (see below), whose sum is σ = 180859035840. Its totient is φ = 19377753792.

The previous prime is 67822138343. The next prime is 67822138409. The reversal of 67822138356 is 65383122876.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 67822138299 and 67822138308.

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, 403703121 + ... + 403703288.

It is an arithmetic number, because the mean of its divisors is an integer number (7535793160).

Almost surely, 2^67822138356 is an apocalyptic number.

It is an amenable number.

67822138356 is an abundant number, since it is smaller than the sum of its proper divisors (113036897484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67822138356 is a wasteful number, since it uses less digits than its factorization.

67822138356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807406423 (or 807406421 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The spelling of 67822138356 in words is "sixty-seven billion, eight hundred twenty-two million, one hundred thirty-eight thousand, three hundred fifty-six".