77050990 has 16 divisors (see below), whose sum is σ = 139012848. Its totient is φ = 30749056.

The previous prime is 77050979. The next prime is 77050997. The reversal of 77050990 is 9905077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77050997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4267 + ... + 13126.

It is an arithmetic number, because the mean of its divisors is an integer number (8688303).

Almost surely, 2^77050990 is an apocalyptic number.

77050990 is a deficient number, since it is larger than the sum of its proper divisors (61961858).

77050990 is a wasteful number, since it uses less digits than its factorization.

77050990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17843.

The product of its (nonzero) digits is 19845, while the sum is 37.

The square root of 77050990 is about 8777.8693314494. The cubic root of 77050990 is about 425.5259739378.

The spelling of 77050990 in words is "seventy-seven million, fifty thousand, nine hundred ninety".