84866431670830 has 16 divisors (see below), whose sum is σ = 153059694063840. Its totient is φ = 33879879989152.

The previous prime is 84866431670827. The next prime is 84866431670941. The reversal of 84866431670830 is 3807613466848.

It is a super-2 number, since 2×84866431670830² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8336579554 + ... + 8336589733.

It is an arithmetic number, because the mean of its divisors is an integer number (9566230878990).

Almost surely, 2^{84866431670830} is an apocalyptic number.

84866431670830 is a deficient number, since it is larger than the sum of its proper divisors (68193262393010).

84866431670830 is a wasteful number, since it uses less digits than its factorization.

84866431670830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16673169803.

The product of its (nonzero) digits is 111476736, while the sum is 64.

The spelling of 84866431670830 in words is "eighty-four trillion, eight hundred sixty-six billion, four hundred thirty-one million, six hundred seventy thousand, eight hundred thirty".