961587700672 has 56 divisors (see below), whose sum is σ = 1933279197696. Its totient is φ = 474475070208.

The previous prime is 961587700649. The next prime is 961587700679. The reversal of 961587700672 is 276007785169.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961587700679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4718193 + ... + 4917775.

It is an arithmetic number, because the mean of its divisors is an integer number (34522842816).

Almost surely, 2^961587700672 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 961587700672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (966639598848).

961587700672 is an abundant number, since it is smaller than the sum of its proper divisors (971691497024).

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

961587700672 is a wasteful number, since it uses less digits than its factorization.

961587700672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200585 (or 200575 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 58.

The spelling of 961587700672 in words is "nine hundred sixty-one billion, five hundred eighty-seven million, seven hundred thousand, six hundred seventy-two".