778773033 has 12 divisors (see below), whose sum is σ = 1148828928. Its totient is φ = 508135320.

The previous prime is 778773013. The next prime is 778773059. The reversal of 778773033 is 330377877.

It is not a de Polignac number, because 778773033 - 2⁸ = 778772777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 778773033.

It is not an unprimeable number, because it can be changed into a prime (778773013) 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, 920113 + ... + 920958.

It is an arithmetic number, because the mean of its divisors is an integer number (95735744).

Almost surely, 2^778773033 is an apocalyptic number.

It is an amenable number.

778773033 is a deficient number, since it is larger than the sum of its proper divisors (370055895).

778773033 is a wasteful number, since it uses less digits than its factorization.

778773033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841124 (or 1841121 counting only the distinct ones).

The product of its (nonzero) digits is 518616, while the sum is 45.

The square root of 778773033 is about 27906.5052093593. The cubic root of 778773033 is about 920.0334868876.

The spelling of 778773033 in words is "seven hundred seventy-eight million, seven hundred seventy-three thousand, thirty-three".