77545052 has 36 divisors (see below), whose sum is σ = 152827080. Its totient is φ = 34221792.

The previous prime is 77545049. The next prime is 77545093. The reversal of 77545052 is 25054577.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26099 + ... + 28917.

Almost surely, 2^77545052 is an apocalyptic number.

It is an amenable number.

77545052 is a deficient number, since it is larger than the sum of its proper divisors (75282028).

77545052 is a wasteful number, since it uses less digits than its factorization.

77545052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882 (or 2857 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 77545052 is about 8805.9668407279. The cubic root of 77545052 is about 426.4335480553.

The spelling of 77545052 in words is "seventy-seven million, five hundred forty-five thousand, fifty-two".