776016069 has 12 divisors (see below), whose sum is σ = 1092013056. Its totient is φ = 490114728.

The previous prime is 776016047. The next prime is 776016079. The reversal of 776016069 is 960610677.

It is not a de Polignac number, because 776016069 - 2⁷ = 776015941 is a prime.

It is a super-2 number, since 2×776016069² = 1204401878692425522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 776016069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (776016019) 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 11 ways as a sum of consecutive naturals, for example, 357189 + ... + 359354.

It is an arithmetic number, because the mean of its divisors is an integer number (91001088).

Almost surely, 2^776016069 is an apocalyptic number.

It is an amenable number.

776016069 is a deficient number, since it is larger than the sum of its proper divisors (315996987).

776016069 is a wasteful number, since it uses less digits than its factorization.

776016069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716584 (or 716565 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 776016069 is about 27857.0649746164. The cubic root of 776016069 is about 918.9465213743.

The spelling of 776016069 in words is "seven hundred seventy-six million, sixteen thousand, sixty-nine".