961078788 has 18 divisors (see below), whose sum is σ = 2429393694. Its totient is φ = 320359584.

The previous prime is 961078787. The next prime is 961078793. The reversal of 961078788 is 887870169.

It can be written as a sum of positive squares in only one way, i.e., 688432644 + 272646144 = 26238^2 + 16512^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (961078787) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13348281 + ... + 13348352.

Almost surely, 2^961078788 is an apocalyptic number.

It is an amenable number.

961078788 is an abundant number, since it is smaller than the sum of its proper divisors (1468314906).

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

961078788 is a wasteful number, since it uses less digits than its factorization.

961078788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26696643 (or 26696638 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 54.

The square root of 961078788 is about 31001.2707481484. The cubic root of 961078788 is about 986.8542080707.

The spelling of 961078788 in words is "nine hundred sixty-one million, seventy-eight thousand, seven hundred eighty-eight".