77350312 has 32 divisors (see below), whose sum is σ = 156580200. Its totient is φ = 35610624.

The previous prime is 77350309. The next prime is 77350319. The reversal of 77350312 is 21305377.

It can be written as a sum of positive squares in 4 ways, for example, as 76983076 + 367236 = 8774^2 + 606^2 .

It is not an unprimeable number, because it can be changed into a prime (77350319) 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, 59364 + ... + 60652.

Almost surely, 2^77350312 is an apocalyptic number.

It is an amenable number.

77350312 is an abundant number, since it is smaller than the sum of its proper divisors (79229888).

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

77350312 is a wasteful number, since it uses less digits than its factorization.

77350312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885 (or 1881 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 77350312 is about 8794.9026145831. The cubic root of 77350312 is about 426.0762792573.

Adding to 77350312 its reverse (21305377), we get a palindrome (98655689).

The spelling of 77350312 in words is "seventy-seven million, three hundred fifty thousand, three hundred twelve".