84839831450 has 48 divisors (see below), whose sum is σ = 173142998496. Its totient is φ = 30672484800.

The previous prime is 84839831407. The next prime is 84839831509. The reversal of 84839831450 is 5413893848.

It is a junction number, because it is equal to n+sod(n) for n = 84839831392 and 84839831401.

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, 350672 + ... + 540971.

It is an arithmetic number, because the mean of its divisors is an integer number (3607145802).

Almost surely, 2^84839831450 is an apocalyptic number.

84839831450 is an abundant number, since it is smaller than the sum of its proper divisors (88303167046).

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

84839831450 is a wasteful number, since it uses less digits than its factorization.

84839831450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891839 (or 891834 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 84839831450 in words is "eighty-four billion, eight hundred thirty-nine million, eight hundred thirty-one thousand, four hundred fifty".