84631396085564 has 12 divisors (see below), whose sum is σ = 149048286737784. Its totient is φ = 42046171303344.

The previous prime is 84631396085563. The next prime is 84631396085629. The reversal of 84631396085564 is 46558069313648.

It is a junction number, because it is equal to n+sod(n) for n = 84631396085494 and 84631396085503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84631396085563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67381684154 + ... + 67381685409.

It is an arithmetic number, because the mean of its divisors is an integer number (12420690561482).

Almost surely, 2^{84631396085564} is an apocalyptic number.

It is an amenable number.

84631396085564 is a deficient number, since it is larger than the sum of its proper divisors (64416890652220).

84631396085564 is a wasteful number, since it uses less digits than its factorization.

84631396085564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134763369724 (or 134763369722 counting only the distinct ones).

The product of its (nonzero) digits is 447897600, while the sum is 68.

The spelling of 84631396085564 in words is "eighty-four trillion, six hundred thirty-one billion, three hundred ninety-six million, eighty-five thousand, five hundred sixty-four".