77585048 has 8 divisors (see below), whose sum is σ = 145471980. Its totient is φ = 38792520.

The previous prime is 77585047. The next prime is 77585077. The reversal of 77585048 is 84058577.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 4849058 + ... + 4849073.

Almost surely, 2^77585048 is an apocalyptic number.

It is an amenable number.

77585048 is a deficient number, since it is larger than the sum of its proper divisors (67886932).

77585048 is a wasteful number, since it uses less digits than its factorization.

77585048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9698137 (or 9698133 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 44.

The square root of 77585048 is about 8808.2375081511. The cubic root of 77585048 is about 426.5068504100.

The spelling of 77585048 in words is "seventy-seven million, five hundred eighty-five thousand, forty-eight".