83622385881 has 16 divisors (see below), whose sum is σ = 123890550400. Its totient is φ = 55745766864.

The previous prime is 83622385877. The next prime is 83622385937. The reversal of 83622385881 is 18858322638.

83622385881 is a `hidden beast` number, since 8 + 3 + 6 + 22 + 38 + 588 + 1 = 666.

It is not a de Polignac number, because 83622385881 - 2² = 83622385877 is a prime.

It is a super-2 number, since 2×83622385881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83622385811) 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 15 ways as a sum of consecutive naturals, for example, 703215 + ... + 813483.

It is an arithmetic number, because the mean of its divisors is an integer number (7743159400).

Almost surely, 2^83622385881 is an apocalyptic number.

It is an amenable number.

83622385881 is a deficient number, since it is larger than the sum of its proper divisors (40268164519).

83622385881 is a wasteful number, since it uses less digits than its factorization.

83622385881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138365 (or 138359 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The spelling of 83622385881 in words is "eighty-three billion, six hundred twenty-two million, three hundred eighty-five thousand, eight hundred eighty-one".