84386746079999 has 16 divisors (see below), whose sum is σ = 99522452388480. Its totient is φ = 70713321420960.

The previous prime is 84386746079971. The next prime is 84386746080041. The reversal of 84386746079999 is 99997064768348.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84386746079999 is a prime.

It is a super-2 number, since 2×84386746079999² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84386746079299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5456267069 + ... + 5456282534.

It is an arithmetic number, because the mean of its divisors is an integer number (6220153274280).

Almost surely, 2^{84386746079999} is an apocalyptic number.

84386746079999 is a deficient number, since it is larger than the sum of its proper divisors (15135706308481).

84386746079999 is a wasteful number, since it uses less digits than its factorization.

84386746079999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10912549670.

The product of its (nonzero) digits is 35554111488, while the sum is 89.

The spelling of 84386746079999 in words is "eighty-four trillion, three hundred eighty-six billion, seven hundred forty-six million, seventy-nine thousand, nine hundred ninety-nine".