77910794 has 16 divisors (see below), whose sum is σ = 127106280. Its totient is φ = 35601600.

The previous prime is 77910793. The next prime is 77910799. The reversal of 77910794 is 49701977.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 51768025 + 26142769 = 7195^2 + 5113^2 .

It is a zygodrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (77910793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12209 + ... + 17460.

Almost surely, 2^77910794 is an apocalyptic number.

77910794 is a deficient number, since it is larger than the sum of its proper divisors (49195486).

77910794 is a wasteful number, since it uses less digits than its factorization.

77910794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29785.

The product of its (nonzero) digits is 111132, while the sum is 44.

The square root of 77910794 is about 8826.7091262826. The cubic root of 77910794 is about 427.1029227919.

The spelling of 77910794 in words is "seventy-seven million, nine hundred ten thousand, seven hundred ninety-four".