77135361 has 16 divisors (see below), whose sum is σ = 105630720. Its totient is φ = 50049360.

The previous prime is 77135339. The next prime is 77135369. The reversal of 77135361 is 16353177.

It is not a de Polignac number, because 77135361 - 2⁶ = 77135297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77135369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16116 + ... + 20346.

It is an arithmetic number, because the mean of its divisors is an integer number (6601920).

Almost surely, 2^77135361 is an apocalyptic number.

It is an amenable number.

77135361 is a deficient number, since it is larger than the sum of its proper divisors (28495359).

77135361 is a wasteful number, since it uses less digits than its factorization.

77135361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396.

The product of its digits is 13230, while the sum is 33.

The square root of 77135361 is about 8782.6739094652. The cubic root of 77135361 is about 425.6812345673.

The spelling of 77135361 in words is "seventy-seven million, one hundred thirty-five thousand, three hundred sixty-one".