778873041 has 12 divisors (see below), whose sum is σ = 1125286032. Its totient is φ = 519134616.

The previous prime is 778873033. The next prime is 778873103. The reversal of 778873041 is 140378877.

It is a happy number.

778873041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 778873041 - 2³ = 778873033 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (778873021) 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, 62190 + ... + 73656.

It is an arithmetic number, because the mean of its divisors is an integer number (93773836).

Almost surely, 2^778873041 is an apocalyptic number.

It is an amenable number.

778873041 is a deficient number, since it is larger than the sum of its proper divisors (346412991).

778873041 is a wasteful number, since it uses less digits than its factorization.

778873041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19020 (or 19017 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 45.

The square root of 778873041 is about 27908.2969921133. The cubic root of 778873041 is about 920.0728679682.

The spelling of 778873041 in words is "seven hundred seventy-eight million, eight hundred seventy-three thousand, forty-one".