77348852 has 18 divisors (see below), whose sum is σ = 157460562. Its totient is φ = 33149424.

The previous prime is 77348851. The next prime is 77348857. The reversal of 77348852 is 25884377.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 73170916 + 4177936 = 8554^2 + 2044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77348851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197123 + ... + 197514.

It is an arithmetic number, because the mean of its divisors is an integer number (8747809).

Almost surely, 2^77348852 is an apocalyptic number.

It is an amenable number.

77348852 is an abundant number, since it is smaller than the sum of its proper divisors (80111710).

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

77348852 is a wasteful number, since it uses less digits than its factorization.

77348852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394655 (or 394646 counting only the distinct ones).

The product of its digits is 376320, while the sum is 44.

The square root of 77348852 is about 8794.8196115668. The cubic root of 77348852 is about 426.0735984869.

The spelling of 77348852 in words is "seventy-seven million, three hundred forty-eight thousand, eight hundred fifty-two".