84615400924 has 12 divisors (see below), whose sum is σ = 148092052248. Its totient is φ = 42303386000.

The previous prime is 84615400889. The next prime is 84615400949. The reversal of 84615400924 is 42900451648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034287 + ... + 1113094.

It is an arithmetic number, because the mean of its divisors is an integer number (12341004354).

Almost surely, 2^84615400924 is an apocalyptic number.

It is an amenable number.

84615400924 is a deficient number, since it is larger than the sum of its proper divisors (63476651324).

84615400924 is a wasteful number, since it uses less digits than its factorization.

84615400924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157236 (or 2157234 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 84615400924 in words is "eighty-four billion, six hundred fifteen million, four hundred thousand, nine hundred twenty-four".