961777705704 has 32 divisors (see below), whose sum is σ = 2413316768640. Its totient is φ = 319409568000.

The previous prime is 961777705697. The next prime is 961777705751. The reversal of 961777705704 is 407507777169.

It is a happy 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, 73930897 + ... + 73943904.

It is an arithmetic number, because the mean of its divisors is an integer number (75416149020).

Almost surely, 2^961777705704 is an apocalyptic number.

It is an amenable number.

961777705704 is an abundant number, since it is smaller than the sum of its proper divisors (1451539062936).

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

961777705704 is a wasteful number, since it uses less digits than its factorization.

961777705704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147875081 (or 147875077 counting only the distinct ones).

The product of its (nonzero) digits is 18151560, while the sum is 60.

The spelling of 961777705704 in words is "nine hundred sixty-one billion, seven hundred seventy-seven million, seven hundred five thousand, seven hundred four".