77585874238 has 8 divisors (see below), whose sum is σ = 116382340080. Its totient is φ = 38791760880.

The previous prime is 77585874211. The next prime is 77585874253. The reversal of 77585874238 is 83247858577.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 77585874238.

It is a congruent number.

It is an unprimeable number.

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, 503218 + ... + 639061.

It is an arithmetic number, because the mean of its divisors is an integer number (14547792510).

Almost surely, 2^77585874238 is an apocalyptic number.

77585874238 is a deficient number, since it is larger than the sum of its proper divisors (38796465842).

77585874238 is a wasteful number, since it uses less digits than its factorization.

77585874238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176242.

The product of its digits is 105369600, while the sum is 64.

The spelling of 77585874238 in words is "seventy-seven billion, five hundred eighty-five million, eight hundred seventy-four thousand, two hundred thirty-eight".