77238722783276 has 12 divisors (see below), whose sum is σ = 135197168375808. Its totient is φ = 38610960390192.

The previous prime is 77238722783197. The next prime is 77238722783317. The reversal of 77238722783276 is 67238722783277.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2100229676 + ... + 2100266451.

It is an arithmetic number, because the mean of its divisors is an integer number (11266430697984).

Almost surely, 2^{77238722783276} is an apocalyptic number.

It is an amenable number.

77238722783276 is a deficient number, since it is larger than the sum of its proper divisors (57958445592532).

77238722783276 is a wasteful number, since it uses less digits than its factorization.

77238722783276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200500728 (or 4200500726 counting only the distinct ones).

The product of its digits is 929359872, while the sum is 71.

Subtracting from 77238722783276 its reverse (67238722783277), we obtain a palindrome (9999999999999).

The spelling of 77238722783276 in words is "seventy-seven trillion, two hundred thirty-eight billion, seven hundred twenty-two million, seven hundred eighty-three thousand, two hundred seventy-six".