961777072 has 10 divisors (see below), whose sum is σ = 1863443108. Its totient is φ = 480888528.

The previous prime is 961777067. The next prime is 961777079. The reversal of 961777072 is 270777169.

961777072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (961777079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30055518 + ... + 30055549.

Almost surely, 2^961777072 is an apocalyptic number.

It is an amenable number.

961777072 is a deficient number, since it is larger than the sum of its proper divisors (901666036).

961777072 is a wasteful number, since it uses less digits than its factorization.

961777072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60111075 (or 60111069 counting only the distinct ones).

The product of its (nonzero) digits is 259308, while the sum is 46.

The square root of 961777072 is about 31012.5308867238. The cubic root of 961777072 is about 987.0931540299.

The spelling of 961777072 in words is "nine hundred sixty-one million, seven hundred seventy-seven thousand, seventy-two".