776651016 has 64 divisors (see below), whose sum is σ = 1999468800. Its totient is φ = 251209728.

The previous prime is 776650999. The next prime is 776651017. The reversal of 776651016 is 610156677.

It is not an unprimeable number, because it can be changed into a prime (776651017) 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 15 ways as a sum of consecutive naturals, for example, 410200 + ... + 412088.

It is an arithmetic number, because the mean of its divisors is an integer number (31241700).

Almost surely, 2^776651016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 776651016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (999734400).

776651016 is an abundant number, since it is smaller than the sum of its proper divisors (1222817784).

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

776651016 is a wasteful number, since it uses less digits than its factorization.

776651016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398 (or 2394 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 776651016 is about 27868.4591608506. The cubic root of 776651016 is about 919.1970846014.

The spelling of 776651016 in words is "seven hundred seventy-six million, six hundred fifty-one thousand, sixteen".