961834834870 has 64 divisors (see below), whose sum is σ = 2131016501376. Its totient is φ = 304378813440.

The previous prime is 961834834853. The next prime is 961834834903. The reversal of 961834834870 is 78438438169.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 961834834799 and 961834834808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12502362 + ... + 12579058.

It is an arithmetic number, because the mean of its divisors is an integer number (33297132834).

Almost surely, 2^961834834870 is an apocalyptic number.

961834834870 is an abundant number, since it is smaller than the sum of its proper divisors (1169181666506).

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

961834834870 is a wasteful number, since it uses less digits than its factorization.

961834834870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90505.

The product of its (nonzero) digits is 27869184, while the sum is 61.

The spelling of 961834834870 in words is "nine hundred sixty-one billion, eight hundred thirty-four million, eight hundred thirty-four thousand, eight hundred seventy".