774377225616 has 40 divisors (see below), whose sum is σ = 2001542790880. Its totient is φ = 257987897856.

The previous prime is 774377225581. The next prime is 774377225623. The reversal of 774377225616 is 616522773477.

774377225616 is digitally balanced in base 2 and base 4, because in such bases 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 7 ways as a sum of consecutive naturals, for example, 4216786 + ... + 4396593.

It is an arithmetic number, because the mean of its divisors is an integer number (50038569772).

Almost surely, 2^774377225616 is an apocalyptic number.

It is an amenable number.

774377225616 is an abundant number, since it is smaller than the sum of its proper divisors (1227165565264).

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

774377225616 is a wasteful number, since it uses less digits than its factorization.

774377225616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8615263 (or 8615257 counting only the distinct ones).

The product of its digits is 20744640, while the sum is 57.

The spelling of 774377225616 in words is "seven hundred seventy-four billion, three hundred seventy-seven million, two hundred twenty-five thousand, six hundred sixteen".