77310230 has 16 divisors (see below), whose sum is σ = 143957520. Its totient is φ = 29857632.

The previous prime is 77310227. The next prime is 77310257. The reversal of 77310230 is 3201377.

It is a junction number, because it is equal to n+sod(n) for n = 77310196 and 77310205.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 133004 + ... + 133583.

It is an arithmetic number, because the mean of its divisors is an integer number (8997345).

Almost surely, 2^77310230 is an apocalyptic number.

77310230 is a deficient number, since it is larger than the sum of its proper divisors (66647290).

77310230 is a wasteful number, since it uses less digits than its factorization.

77310230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266623.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 77310230 is about 8792.6236130065. The cubic root of 77310230 is about 426.0026706762.

The spelling of 77310230 in words is "seventy-seven million, three hundred ten thousand, two hundred thirty".