84246789870 has 48 divisors (see below), whose sum is σ = 219354288192. Its totient is φ = 22433745600.

The previous prime is 84246789859. The next prime is 84246789923. The reversal of 84246789870 is 7898764248.

84246789870 is a `hidden beast` number, since 8 + 424 + 67 + 89 + 8 + 70 = 666.

It is a super-3 number, since 3×84246789870³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84246789798 and 84246789807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 604582 + ... + 730761.

It is an arithmetic number, because the mean of its divisors is an integer number (4569881004).

Almost surely, 2^84246789870 is an apocalyptic number.

84246789870 is an abundant number, since it is smaller than the sum of its proper divisors (135107498322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84246789870 is a wasteful number, since it uses less digits than its factorization.

84246789870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336057 (or 1336054 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 63.

The spelling of 84246789870 in words is "eighty-four billion, two hundred forty-six million, seven hundred eighty-nine thousand, eight hundred seventy".