77885996 has 12 divisors (see below), whose sum is σ = 141000720. Its totient is φ = 37600080.

The previous prime is 77885989. The next prime is 77886001. The reversal of 77885996 is 69958877.

It is an unprimeable number.

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, 335600 + ... + 335831.

It is an arithmetic number, because the mean of its divisors is an integer number (11750060).

Almost surely, 2^77885996 is an apocalyptic number.

It is an amenable number.

77885996 is a deficient number, since it is larger than the sum of its proper divisors (63114724).

77885996 is a wasteful number, since it uses less digits than its factorization.

77885996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671464 (or 671462 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 59.

The square root of 77885996 is about 8825.3043007026. The cubic root of 77885996 is about 427.0576042011.

The spelling of 77885996 in words is "seventy-seven million, eight hundred eighty-five thousand, nine hundred ninety-six".