776635066 has 16 divisors (see below), whose sum is σ = 1217263104. Its totient is φ = 370926864.

The previous prime is 776635061. The next prime is 776635073. The reversal of 776635066 is 660536677.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (776635061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23671 + ... + 45973.

It is an arithmetic number, because the mean of its divisors is an integer number (76078944).

Almost surely, 2^776635066 is an apocalyptic number.

776635066 is a deficient number, since it is larger than the sum of its proper divisors (440628038).

776635066 is a wasteful number, since it uses less digits than its factorization.

776635066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23085.

The product of its (nonzero) digits is 952560, while the sum is 46.

The square root of 776635066 is about 27868.1729935782. The cubic root of 776635066 is about 919.1907920738.

The spelling of 776635066 in words is "seven hundred seventy-six million, six hundred thirty-five thousand, sixty-six".