961045881 has 16 divisors (see below), whose sum is σ = 1324125504. Its totient is φ = 619545024.

The previous prime is 961045879. The next prime is 961045889. The reversal of 961045881 is 188540169.

961045881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 961045881 - 2¹ = 961045879 is a prime.

It is a super-2 number, since 2×961045881² = 1847218370774132322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (961045889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8466 + ... + 44651.

It is an arithmetic number, because the mean of its divisors is an integer number (82757844).

Almost surely, 2^961045881 is an apocalyptic number.

It is an amenable number.

961045881 is a deficient number, since it is larger than the sum of its proper divisors (363079623).

961045881 is a wasteful number, since it uses less digits than its factorization.

961045881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53320.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 961045881 is about 31000.7400072966. The cubic root of 961045881 is about 986.8429447617.

The spelling of 961045881 in words is "nine hundred sixty-one million, forty-five thousand, eight hundred eighty-one".