77793356 has 6 divisors (see below), whose sum is σ = 136138380. Its totient is φ = 38896676.

The previous prime is 77793323. The next prime is 77793367. The reversal of 77793356 is 65339777.

It is a self number, because there is not a number n which added to its sum of digits gives 77793356.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9724166 + ... + 9724173.

It is an arithmetic number, because the mean of its divisors is an integer number (22689730).

Almost surely, 2^77793356 is an apocalyptic number.

It is an amenable number.

77793356 is a deficient number, since it is larger than the sum of its proper divisors (58345024).

77793356 is a wasteful number, since it uses less digits than its factorization.

77793356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19448343 (or 19448341 counting only the distinct ones).

The product of its digits is 833490, while the sum is 47.

The square root of 77793356 is about 8820.0541948448. The cubic root of 77793356 is about 426.8882185412. Note that the first 3 decimals are identical.

The spelling of 77793356 in words is "seventy-seven million, seven hundred ninety-three thousand, three hundred fifty-six".