77422009855 has 8 divisors (see below), whose sum is σ = 92980213200. Its totient is φ = 61888406976.

The previous prime is 77422009813. The next prime is 77422009919. The reversal of 77422009855 is 55890022477.

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

It is a cyclic number.

It is not a de Polignac number, because 77422009855 - 2¹¹ = 77422007807 is a prime.

It is a super-3 number, since 3×77422009855³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77422009799 and 77422009808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6143190 + ... + 6155779.

It is an arithmetic number, because the mean of its divisors is an integer number (11622526650).

Almost surely, 2^77422009855 is an apocalyptic number.

77422009855 is a deficient number, since it is larger than the sum of its proper divisors (15558203345).

77422009855 is a wasteful number, since it uses less digits than its factorization.

77422009855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12300233.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 77422009855 in words is "seventy-seven billion, four hundred twenty-two million, nine thousand, eight hundred fifty-five".