77253584740 has 12 divisors (see below), whose sum is σ = 162232527996. Its totient is φ = 30901433888.

The previous prime is 77253584701. The next prime is 77253584741. The reversal of 77253584740 is 4748535277.

It can be written as a sum of positive squares in 2 ways, for example, as 38626399296 + 38627185444 = 196536^2 + 196538^2 .

It is not an unprimeable number, because it can be changed into a prime (77253584741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1931339599 + ... + 1931339638.

It is an arithmetic number, because the mean of its divisors is an integer number (13519377333).

Almost surely, 2^77253584740 is an apocalyptic number.

It is an amenable number.

77253584740 is an abundant number, since it is smaller than the sum of its proper divisors (84978943256).

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

77253584740 is a wasteful number, since it uses less digits than its factorization.

77253584740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862679246 (or 3862679244 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 52.

The spelling of 77253584740 in words is "seventy-seven billion, two hundred fifty-three million, five hundred eighty-four thousand, seven hundred forty".