77776322 has 8 divisors (see below), whose sum is σ = 125638716. Its totient is φ = 35896752.

The previous prime is 77776319. The next prime is 77776327. The reversal of 77776322 is 22367777.

It can be written as a sum of positive squares in 2 ways, for example, as 76405081 + 1371241 = 8741^2 + 1171^2 .

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

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 77776322.

It is not an unprimeable number, because it can be changed into a prime (77776327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1495673 + ... + 1495724.

Almost surely, 2^77776322 is an apocalyptic number.

77776322 is a deficient number, since it is larger than the sum of its proper divisors (47862394).

77776322 is a wasteful number, since it uses less digits than its factorization.

77776322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991412.

The product of its digits is 172872, while the sum is 41.

The square root of 77776322 is about 8819.0885016537. The cubic root of 77776322 is about 426.8570584478.

It can be divided in two parts, 7777 and 6322, that multiplied together give a palindrome (49166194).

The spelling of 77776322 in words is "seventy-seven million, seven hundred seventy-six thousand, three hundred twenty-two".