77325312 has 44 divisors (see below), whose sum is σ = 206108336. Its totient is φ = 25774080.

The previous prime is 77325289. The next prime is 77325349. The reversal of 77325312 is 21352377.

It is a self number, because there is not a number n which added to its sum of digits gives 77325312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9514 + ... + 15657.

Almost surely, 2^77325312 is an apocalyptic number.

It is an amenable number.

77325312 is an abundant number, since it is smaller than the sum of its proper divisors (128783024).

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

77325312 is a wasteful number, since it uses less digits than its factorization.

77325312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25194 (or 25176 counting only the distinct ones).

The product of its digits is 8820, while the sum is 30.

The square root of 77325312 is about 8793.4812219052. The cubic root of 77325312 is about 426.0303709970.

Adding to 77325312 its reverse (21352377), we get a palindrome (98677689).

The spelling of 77325312 in words is "seventy-seven million, three hundred twenty-five thousand, three hundred twelve".