774840966 has 32 divisors (see below), whose sum is σ = 1637245440. Its totient is φ = 244065696.

The previous prime is 774840959. The next prime is 774840967. The reversal of 774840966 is 669048477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774840967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39196 + ... + 55551.

It is an arithmetic number, because the mean of its divisors is an integer number (51163920).

Almost surely, 2^774840966 is an apocalyptic number.

774840966 is an abundant number, since it is smaller than the sum of its proper divisors (862404474).

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

774840966 is a wasteful number, since it uses less digits than its factorization.

774840966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94828.

The product of its (nonzero) digits is 2032128, while the sum is 51.

The square root of 774840966 is about 27835.9653326412. The cubic root of 774840966 is about 918.4824406318.

The spelling of 774840966 in words is "seven hundred seventy-four million, eight hundred forty thousand, nine hundred sixty-six".