84126825667 has 32 divisors (see below), whose sum is σ = 91491840000. Its totient is φ = 77171004288.

The previous prime is 84126825623. The next prime is 84126825683. The reversal of 84126825667 is 76652862148.

It is a cyclic number.

It is not a de Polignac number, because 84126825667 - 2⁷ = 84126825539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84126825697) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25163398 + ... + 25166740.

It is an arithmetic number, because the mean of its divisors is an integer number (2859120000).

Almost surely, 2^84126825667 is an apocalyptic number.

84126825667 is a deficient number, since it is larger than the sum of its proper divisors (7365014333).

84126825667 is a wasteful number, since it uses less digits than its factorization.

84126825667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3955.

The product of its digits is 7741440, while the sum is 55.

The spelling of 84126825667 in words is "eighty-four billion, one hundred twenty-six million, eight hundred twenty-five thousand, six hundred sixty-seven".