77485135 has 32 divisors (see below), whose sum is σ = 120476160. Its totient is φ = 46459008.

The previous prime is 77485123. The next prime is 77485139. The reversal of 77485135 is 53158477.

It is a cyclic number.

It is not a de Polignac number, because 77485135 - 2⁷ = 77485007 is a prime.

It is a super-2 number, since 2×77485135² = 12007892291936450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77485139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4164 + ... + 13126.

It is an arithmetic number, because the mean of its divisors is an integer number (3764880).

Almost surely, 2^77485135 is an apocalyptic number.

77485135 is a deficient number, since it is larger than the sum of its proper divisors (42991025).

77485135 is a wasteful number, since it uses less digits than its factorization.

77485135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9007.

The product of its digits is 117600, while the sum is 40.

The square root of 77485135 is about 8802.5641150747. The cubic root of 77485135 is about 426.3236884668.

The spelling of 77485135 in words is "seventy-seven million, four hundred eighty-five thousand, one hundred thirty-five".