83412301786388 has 24 divisors (see below), whose sum is σ = 153655320067200. Its totient is φ = 39510812622528.

The previous prime is 83412301786351. The next prime is 83412301786433. The reversal of 83412301786388 is 88368710321438.

It is a super-2 number, since 2×83412301786388² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83412301786388.

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, 7236128 + ... + 14804936.

It is an arithmetic number, because the mean of its divisors is an integer number (6402305002800).

Almost surely, 2^{83412301786388} is an apocalyptic number.

It is an amenable number.

83412301786388 is a deficient number, since it is larger than the sum of its proper divisors (70243018280812).

83412301786388 is a wasteful number, since it uses less digits than its factorization.

83412301786388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7713839 (or 7713837 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 62.

The spelling of 83412301786388 in words is "eighty-three trillion, four hundred twelve billion, three hundred one million, seven hundred eighty-six thousand, three hundred eighty-eight".