77585049 has 12 divisors (see below), whose sum is σ = 116940096. Its totient is φ = 49474392.

The previous prime is 77585047. The next prime is 77585077. The reversal of 77585049 is 94058577.

It is not a de Polignac number, because 77585049 - 2¹ = 77585047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77584995 and 77585013.

It is not an unprimeable number, because it can be changed into a prime (77585047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187197 + ... + 187610.

It is an arithmetic number, because the mean of its divisors is an integer number (9745008).

Almost surely, 2^77585049 is an apocalyptic number.

It is an amenable number.

77585049 is a deficient number, since it is larger than the sum of its proper divisors (39355047).

77585049 is a wasteful number, since it uses less digits than its factorization.

77585049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374836 (or 374833 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 77585049 is about 8808.2375649162. The cubic root of 77585049 is about 426.5068522424.

The spelling of 77585049 in words is "seventy-seven million, five hundred eighty-five thousand, forty-nine".