774221861446 has 16 divisors (see below), whose sum is σ = 1341432530640. Its totient is φ = 331217908480.

The previous prime is 774221861407. The next prime is 774221861447. The reversal of 774221861446 is 644168122477.

It is a junction number, because it is equal to n+sod(n) for n = 774221861393 and 774221861402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774221861447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035055591 + ... + 1035056338.

It is an arithmetic number, because the mean of its divisors is an integer number (83839533165).

Almost surely, 2^774221861446 is an apocalyptic number.

774221861446 is a deficient number, since it is larger than the sum of its proper divisors (567210669194).

774221861446 is a wasteful number, since it uses less digits than its factorization.

774221861446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070111959.

The product of its digits is 3612672, while the sum is 52.

The spelling of 774221861446 in words is "seven hundred seventy-four billion, two hundred twenty-one million, eight hundred sixty-one thousand, four hundred forty-six".