77060057 has 4 divisors (see below), whose sum is σ = 77767140. Its totient is φ = 76352976.

The previous prime is 77059993. The next prime is 77060069. The reversal of 77060057 is 75006077.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18139081 + 58920976 = 4259^2 + 7676^2 .

It is a cyclic number.

It is not a de Polignac number, because 77060057 - 2⁶ = 77059993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77060657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353378 + ... + 353595.

It is an arithmetic number, because the mean of its divisors is an integer number (19441785).

Almost surely, 2^77060057 is an apocalyptic number.

It is an amenable number.

77060057 is a deficient number, since it is larger than the sum of its proper divisors (707083).

77060057 is a wasteful number, since it uses less digits than its factorization.

77060057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707082.

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 77060057 is about 8778.3857855531. The cubic root of 77060057 is about 425.5426645850.

The spelling of 77060057 in words is "seventy-seven million, sixty thousand, fifty-seven".