84067068457 has 16 divisors (see below), whose sum is σ = 86818609152. Its totient is φ = 81360124560.

The previous prime is 84067068451. The next prime is 84067068487. The reversal of 84067068457 is 75486076048.

It is a de Polignac number, because none of the positive numbers 2^k-84067068457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84067068398 and 84067068407.

It is not an unprimeable number, because it can be changed into a prime (84067068451) 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, 1718308 + ... + 1766554.

It is an arithmetic number, because the mean of its divisors is an integer number (5426163072).

Almost surely, 2^84067068457 is an apocalyptic number.

It is an amenable number.

84067068457 is a deficient number, since it is larger than the sum of its proper divisors (2751540695).

84067068457 is a wasteful number, since it uses less digits than its factorization.

84067068457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48708.

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 84067068457 in words is "eighty-four billion, sixty-seven million, sixty-eight thousand, four hundred fifty-seven".