77049207 has 12 divisors (see below), whose sum is σ = 114301720. Its totient is φ = 49977648.

The previous prime is 77049197. The next prime is 77049233. The reversal of 77049207 is 70294077.

It is not a de Polignac number, because 77049207 - 2⁴ = 77049191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77049257) 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 11 ways as a sum of consecutive naturals, for example, 115357 + ... + 116022.

Almost surely, 2^77049207 is an apocalyptic number.

77049207 is a deficient number, since it is larger than the sum of its proper divisors (37252513).

77049207 is a wasteful number, since it uses less digits than its factorization.

77049207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231422 (or 231419 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 77049207 is about 8777.7677686300. The cubic root of 77049207 is about 425.5226916150.

The spelling of 77049207 in words is "seventy-seven million, forty-nine thousand, two hundred seven".