776006128 has 40 divisors (see below), whose sum is σ = 1557824400. Its totient is φ = 374029824.

The previous prime is 776006087. The next prime is 776006149. The reversal of 776006128 is 821600677.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478503 + ... + 480121.

It is an arithmetic number, because the mean of its divisors is an integer number (38945610).

Almost surely, 2^776006128 is an apocalyptic number.

It is an amenable number.

776006128 is an abundant number, since it is smaller than the sum of its proper divisors (781818272).

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

776006128 is a wasteful number, since it uses less digits than its factorization.

776006128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689 (or 2683 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 776006128 is about 27856.8865453410. The cubic root of 776006128 is about 918.9425973635.

The spelling of 776006128 in words is "seven hundred seventy-six million, six thousand, one hundred twenty-eight".