774085966 has 4 divisors (see below), whose sum is σ = 1161128952. Its totient is φ = 387042982.

The previous prime is 774085933. The next prime is 774085981. The reversal of 774085966 is 669580477.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 669580477 = 43 ⋅15571639.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193521490 + ... + 193521493.

It is an arithmetic number, because the mean of its divisors is an integer number (290282238).

Almost surely, 2^774085966 is an apocalyptic number.

774085966 is a deficient number, since it is larger than the sum of its proper divisors (387042986).

774085966 is a wasteful number, since it uses less digits than its factorization.

774085966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387042985.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The square root of 774085966 is about 27822.4004356202. The cubic root of 774085966 is about 918.1840225789.

The spelling of 774085966 in words is "seven hundred seventy-four million, eighty-five thousand, nine hundred sixty-six".