77703916 has 12 divisors (see below), whose sum is σ = 136582488. Its totient is φ = 38680352.

The previous prime is 77703911. The next prime is 77703929. The reversal of 77703916 is 61930777.

It is not an unprimeable number, because it can be changed into a prime (77703911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41881 + ... + 43696.

It is an arithmetic number, because the mean of its divisors is an integer number (11381874).

Almost surely, 2^77703916 is an apocalyptic number.

It is an amenable number.

77703916 is a deficient number, since it is larger than the sum of its proper divisors (58878572).

77703916 is a wasteful number, since it uses less digits than its factorization.

77703916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85808 (or 85806 counting only the distinct ones).

The product of its (nonzero) digits is 55566, while the sum is 40.

The square root of 77703916 is about 8814.9824730399. The cubic root of 77703916 is about 426.7245562186.

The spelling of 77703916 in words is "seventy-seven million, seven hundred three thousand, nine hundred sixteen".