77223076 has 24 divisors (see below), whose sum is σ = 155031296. Its totient is φ = 32970240.

The previous prime is 77223073. The next prime is 77223101. The reversal of 77223076 is 67032277.

It is not an unprimeable number, because it can be changed into a prime (77223071) 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 in 7 ways as a sum of consecutive naturals, for example, 2500 + ... + 12676.

Almost surely, 2^77223076 is an apocalyptic number.

It is an amenable number.

77223076 is an abundant number, since it is smaller than the sum of its proper divisors (77808220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77223076 is a wasteful number, since it uses less digits than its factorization.

77223076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10459 (or 10457 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 77223076 is about 8787.6661292974. Note that the first 3 decimals coincide. The cubic root of 77223076 is about 425.8425288801.

The spelling of 77223076 in words is "seventy-seven million, two hundred twenty-three thousand, seventy-six".