8506420433758 has 32 divisors (see below), whose sum is σ = 14582585666880. Its totient is φ = 3686679498240.

The previous prime is 8506420433711. The next prime is 8506420433831. The reversal of 8506420433758 is 8573340246058.

It is a junction number, because it is equal to n+sod(n) for n = 8506420433699 and 8506420433708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21725433 + ... + 22113508.

It is an arithmetic number, because the mean of its divisors is an integer number (455705802090).

Almost surely, 2^{8506420433758} is an apocalyptic number.

8506420433758 is a deficient number, since it is larger than the sum of its proper divisors (6076165233122).

8506420433758 is a wasteful number, since it uses less digits than its factorization.

8506420433758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43839412.

The product of its (nonzero) digits is 19353600, while the sum is 55.

The spelling of 8506420433758 in words is "eight trillion, five hundred six billion, four hundred twenty million, four hundred thirty-three thousand, seven hundred fifty-eight".