77016422 has 8 divisors (see below), whose sum is σ = 132028176. Its totient is φ = 33007032.

The previous prime is 77016413. The next prime is 77016449. The reversal of 77016422 is 22461077.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2750573 + ... + 2750600.

It is an arithmetic number, because the mean of its divisors is an integer number (16503522).

Almost surely, 2^77016422 is an apocalyptic number.

77016422 is a deficient number, since it is larger than the sum of its proper divisors (55011754).

77016422 is a wasteful number, since it uses less digits than its factorization.

77016422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5501182.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 77016422 is about 8775.9000677993. The cubic root of 77016422 is about 425.4623287154.

Adding to 77016422 its reverse (22461077), we get a palindrome (99477499).

The spelling of 77016422 in words is "seventy-seven million, sixteen thousand, four hundred twenty-two".