961776125 has 8 divisors (see below), whose sum is σ = 1200296760. Its totient is φ = 769420800.

The previous prime is 961776091. The next prime is 961776131. The reversal of 961776125 is 521677169.

It can be written as a sum of positive squares in 4 ways, for example, as 82119844 + 879656281 = 9062^2 + 29659^2 .

It is not a de Polignac number, because 961776125 - 2⁶ = 961776061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3846980 + ... + 3847229.

It is an arithmetic number, because the mean of its divisors is an integer number (150037095).

Almost surely, 2^961776125 is an apocalyptic number.

It is an amenable number.

961776125 is a deficient number, since it is larger than the sum of its proper divisors (238520635).

961776125 is an equidigital number, since it uses as much as digits as its factorization.

961776125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7694224 (or 7694214 counting only the distinct ones).

The product of its digits is 158760, while the sum is 44.

The square root of 961776125 is about 31012.5156186982. The cubic root of 961776125 is about 987.0928300541.

The spelling of 961776125 in words is "nine hundred sixty-one million, seven hundred seventy-six thousand, one hundred twenty-five".