84768377386747 has 4 divisors (see below), whose sum is σ = 84999353892256. Its totient is φ = 84537400881240.

The previous prime is 84768377386741. The next prime is 84768377386769. The reversal of 84768377386747 is 74768377386748.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84768377386747 - 2⁷ = 84768377386619 is a prime.

It is a super-2 number, since 2×84768377386747² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84768377386741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115488252204 + ... + 115488252937.

It is an arithmetic number, because the mean of its divisors is an integer number (21249838473064).

Almost surely, 2^{84768377386747} is an apocalyptic number.

84768377386747 is a deficient number, since it is larger than the sum of its proper divisors (230976505509).

84768377386747 is a wasteful number, since it uses less digits than its factorization.

84768377386747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230976505508.

The product of its digits is 44609273856, while the sum is 85.

Subtracting from 84768377386747 its reverse (74768377386748), we obtain a palindrome (9999999999999).

The spelling of 84768377386747 in words is "eighty-four trillion, seven hundred sixty-eight billion, three hundred seventy-seven million, three hundred eighty-six thousand, seven hundred forty-seven".