961545900276 has 36 divisors (see below), whose sum is σ = 2617541618692. Its totient is φ = 295860276864.

The previous prime is 961545900257. The next prime is 961545900277. The reversal of 961545900276 is 672009545169.

961545900276 is a `hidden beast` number, since 9 + 6 + 1 + 545 + 90 + 0 + 2 + 7 + 6 = 666.

961545900276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 338172488676 + 623373411600 = 581526^2 + 789540^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961545900277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1027292161 + ... + 1027293096.

Almost surely, 2^961545900276 is an apocalyptic number.

It is an amenable number.

961545900276 is an abundant number, since it is smaller than the sum of its proper divisors (1655995718416).

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

961545900276 is a wasteful number, since it uses less digits than its factorization.

961545900276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054585280 (or 2054585275 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 961545900276 in words is "nine hundred sixty-one billion, five hundred forty-five million, nine hundred thousand, two hundred seventy-six".