77701916 has 6 divisors (see below), whose sum is σ = 135978360. Its totient is φ = 38850956.

The previous prime is 77701913. The next prime is 77701957. The reversal of 77701916 is 61910777.

It is a self number, because there is not a number n which added to its sum of digits gives 77701916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77701913) 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, 9712736 + ... + 9712743.

It is an arithmetic number, because the mean of its divisors is an integer number (22663060).

Almost surely, 2^77701916 is an apocalyptic number.

It is an amenable number.

77701916 is a deficient number, since it is larger than the sum of its proper divisors (58276444).

77701916 is a wasteful number, since it uses less digits than its factorization.

77701916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19425483 (or 19425481 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 38.

The square root of 77701916 is about 8814.8690290894. The cubic root of 77701916 is about 426.7208950714.

The spelling of 77701916 in words is "seventy-seven million, seven hundred one thousand, nine hundred sixteen".