84612900844 has 12 divisors (see below), whose sum is σ = 153178527600. Its totient is φ = 40847607248.

The previous prime is 84612900833. The next prime is 84612900847. The reversal of 84612900844 is 44800921648.

It is a junction number, because it is equal to n+sod(n) for n = 84612900794 and 84612900803.

It is not an unprimeable number, because it can be changed into a prime (84612900847) 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, 364710664 + ... + 364710895.

It is an arithmetic number, because the mean of its divisors is an integer number (12764877300).

Almost surely, 2^84612900844 is an apocalyptic number.

It is an amenable number.

84612900844 is a deficient number, since it is larger than the sum of its proper divisors (68565626756).

84612900844 is a wasteful number, since it uses less digits than its factorization.

84612900844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729421592 (or 729421590 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 84612900844 in words is "eighty-four billion, six hundred twelve million, nine hundred thousand, eight hundred forty-four".