822136786738 has 16 divisors (see below), whose sum is σ = 1242365372640. Its totient is φ = 408016368576.

The previous prime is 822136786607. The next prime is 822136786739. The reversal of 822136786738 is 837687631228.

It is a super-2 number, since 2×822136786738² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (822136786739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864745 + ... + 1546627.

It is an arithmetic number, because the mean of its divisors is an integer number (77647835790).

Almost surely, 2^822136786738 is an apocalyptic number.

822136786738 is a deficient number, since it is larger than the sum of its proper divisors (420228585902).

822136786738 is a wasteful number, since it uses less digits than its factorization.

822136786738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686361.

The product of its digits is 32514048, while the sum is 61.

The spelling of 822136786738 in words is "eight hundred twenty-two billion, one hundred thirty-six million, seven hundred eighty-six thousand, seven hundred thirty-eight".