776698380 has 72 divisors (see below), whose sum is σ = 2494582272. Its totient is φ = 194935296.

The previous prime is 776698337. The next prime is 776698399. The reversal of 776698380 is 83896677.

776698380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123852 + ... + 129971.

It is an arithmetic number, because the mean of its divisors is an integer number (34646976).

Almost surely, 2^776698380 is an apocalyptic number.

It is an amenable number.

776698380 is an abundant number, since it is smaller than the sum of its proper divisors (1717883892).

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

776698380 is a wasteful number, since it uses less digits than its factorization.

776698380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253855 (or 253850 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 776698380 is about 27869.3089257699. The cubic root of 776698380 is about 919.2157699417.

The spelling of 776698380 in words is "seven hundred seventy-six million, six hundred ninety-eight thousand, three hundred eighty".