961077788 has 12 divisors (see below), whose sum is σ = 1834784952. Its totient is φ = 436853520.

The previous prime is 961077773. The next prime is 961077791. The reversal of 961077788 is 887770169.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10921295 + ... + 10921382.

It is an arithmetic number, because the mean of its divisors is an integer number (152898746).

Almost surely, 2^961077788 is an apocalyptic number.

It is an amenable number.

961077788 is a deficient number, since it is larger than the sum of its proper divisors (873707164).

961077788 is a wasteful number, since it uses less digits than its factorization.

961077788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21842692 (or 21842690 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 53.

The square root of 961077788 is about 31001.2546197731. The cubic root of 961077788 is about 986.8538657975.

The spelling of 961077788 in words is "nine hundred sixty-one million, seventy-seven thousand, seven hundred eighty-eight".