77352057228 has 24 divisors (see below), whose sum is σ = 180684555520. Its totient is φ = 25755958800.

The previous prime is 77352057227. The next prime is 77352057247. The reversal of 77352057228 is 82275025377.

It is not an unprimeable number, because it can be changed into a prime (77352057227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3496048 + ... + 3518103.

Almost surely, 2^77352057228 is an apocalyptic number.

It is an amenable number.

77352057228 is an abundant number, since it is smaller than the sum of its proper divisors (103332498292).

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

77352057228 is a wasteful number, since it uses less digits than its factorization.

77352057228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7015077 (or 7015075 counting only the distinct ones).

The product of its (nonzero) digits is 1646400, while the sum is 48.

The spelling of 77352057228 in words is "seventy-seven billion, three hundred fifty-two million, fifty-seven thousand, two hundred twenty-eight".