77394966 has 32 divisors (see below), whose sum is σ = 169198848. Its totient is φ = 23406240.

The previous prime is 77394949. The next prime is 77394971. The reversal of 77394966 is 66949377.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47176 + ... + 48788.

It is an arithmetic number, because the mean of its divisors is an integer number (5287464).

Almost surely, 2^77394966 is an apocalyptic number.

77394966 is an abundant number, since it is smaller than the sum of its proper divisors (91803882).

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

77394966 is a wasteful number, since it uses less digits than its factorization.

77394966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356.

The product of its digits is 1714608, while the sum is 51.

The square root of 77394966 is about 8797.4408778917. The cubic root of 77394966 is about 426.1582541481.

The spelling of 77394966 in words is "seventy-seven million, three hundred ninety-four thousand, nine hundred sixty-six".