77016322 has 4 divisors (see below), whose sum is σ = 115524486. Its totient is φ = 38508160.

The previous prime is 77016319. The next prime is 77016323. The reversal of 77016322 is 22361077.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 62583921 + 14432401 = 7911^2 + 3799^2 .

It is not an unprimeable number, because it can be changed into a prime (77016323) 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 as a sum of consecutive naturals, namely, 19254079 + ... + 19254082.

Almost surely, 2^77016322 is an apocalyptic number.

77016322 is a deficient number, since it is larger than the sum of its proper divisors (38508164).

77016322 is a wasteful number, since it uses less digits than its factorization.

77016322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38508163.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 77016322 is about 8775.8943703762. The cubic root of 77016322 is about 425.4621445718.

Adding to 77016322 its reverse (22361077), we get a palindrome (99377399).

The spelling of 77016322 in words is "seventy-seven million, sixteen thousand, three hundred twenty-two".