84834620520 has 128 divisors (see below), whose sum is σ = 274260349440. Its totient is φ = 20868710400.

The previous prime is 84834620509. The next prime is 84834620527. The reversal of 84834620520 is 2502643848.

It is not an unprimeable number, because it can be changed into a prime (84834620527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2480577 + ... + 2514543.

It is an arithmetic number, because the mean of its divisors is an integer number (2142658980).

Almost surely, 2^84834620520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84834620520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137130174720).

84834620520 is an abundant number, since it is smaller than the sum of its proper divisors (189425728920).

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

84834620520 is a wasteful number, since it uses less digits than its factorization.

84834620520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35595 (or 35591 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 84834620520 in words is "eighty-four billion, eight hundred thirty-four million, six hundred twenty thousand, five hundred twenty".