776770040 has 16 divisors (see below), whose sum is σ = 1747732680. Its totient is φ = 310708000.

The previous prime is 776770039. The next prime is 776770063. The reversal of 776770040 is 40077677.

776770040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 776769976 and 776770003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9709586 + ... + 9709665.

Almost surely, 2^776770040 is an apocalyptic number.

It is an amenable number.

776770040 is an abundant number, since it is smaller than the sum of its proper divisors (970962640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

776770040 is a wasteful number, since it uses less digits than its factorization.

776770040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19419262 (or 19419258 counting only the distinct ones).

The product of its (nonzero) digits is 57624, while the sum is 38.

The square root of 776770040 is about 27870.5945397654. The cubic root of 776770040 is about 919.2440387344.

The spelling of 776770040 in words is "seven hundred seventy-six million, seven hundred seventy thousand, forty".