85667426658 has 64 divisors (see below), whose sum is σ = 209172902400. Its totient is φ = 25773040080.

The previous prime is 85667426599. The next prime is 85667426711. The reversal of 85667426658 is 85662476658.

It is a happy number.

85667426658 is a `hidden beast` number, since 8 + 566 + 7 + 4 + 2 + 6 + 65 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 85667426595 and 85667426604.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436216 + ... + 601347.

It is an arithmetic number, because the mean of its divisors is an integer number (3268326600).

Almost surely, 2^85667426658 is an apocalyptic number.

85667426658 is an abundant number, since it is smaller than the sum of its proper divisors (123505475742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85667426658 is a wasteful number, since it uses less digits than its factorization.

85667426658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037724 (or 1037718 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 63.

The spelling of 85667426658 in words is "eighty-five billion, six hundred sixty-seven million, four hundred twenty-six thousand, six hundred fifty-eight".