961868502 has 96 divisors (see below), whose sum is σ = 2575123200. Its totient is φ = 253295424.

The previous prime is 961868497. The next prime is 961868561. The reversal of 961868502 is 205868169.

961868502 is a `hidden beast` number, since 9 + 61 + 86 + 8 + 502 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83149 + ... + 94007.

It is an arithmetic number, because the mean of its divisors is an integer number (26824200).

Almost surely, 2^961868502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 961868502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1287561600).

961868502 is an abundant number, since it is smaller than the sum of its proper divisors (1613254698).

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

961868502 is a wasteful number, since it uses less digits than its factorization.

961868502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10930 (or 10927 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 961868502 is about 31014.0049332556. The cubic root of 961868502 is about 987.1244319182.

The spelling of 961868502 in words is "nine hundred sixty-one million, eight hundred sixty-eight thousand, five hundred two".