77223088 has 20 divisors (see below), whose sum is σ = 149756040. Its totient is φ = 38576384.

The previous prime is 77223073. The next prime is 77223101. The reversal of 77223088 is 88032277.

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, 32931 + ... + 35197.

It is an arithmetic number, because the mean of its divisors is an integer number (7487802).

Almost surely, 2^77223088 is an apocalyptic number.

It is an amenable number.

77223088 is a deficient number, since it is larger than the sum of its proper divisors (72532952).

77223088 is a wasteful number, since it uses less digits than its factorization.

77223088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404 (or 4398 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 77223088 is about 8787.6668120725. Note that the first 3 decimals coincide. The cubic root of 77223088 is about 425.8425509379.

The spelling of 77223088 in words is "seventy-seven million, two hundred twenty-three thousand, eighty-eight".