773850138181612 has 6 divisors (see below), whose sum is σ = 1354237741817828. Its totient is φ = 386925069090804.

The previous prime is 773850138181543. The next prime is 773850138181621. The reversal of 773850138181612 is 216181831058377.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96731267272698 + ... + 96731267272705.

Almost surely, 2^{773850138181612} is an apocalyptic number.

It is an amenable number.

773850138181612 is a deficient number, since it is larger than the sum of its proper divisors (580387603636216).

773850138181612 is a wasteful number, since it uses less digits than its factorization.

773850138181612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193462534545407 (or 193462534545405 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 61.

The spelling of 773850138181612 in words is "seven hundred seventy-three trillion, eight hundred fifty billion, one hundred thirty-eight million, one hundred eighty-one thousand, six hundred twelve".