77335470066 has 64 divisors (see below), whose sum is σ = 171041642496. Its totient is φ = 23186592000.

The previous prime is 77335470019. The next prime is 77335470067. The reversal of 77335470066 is 66007453377.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 77335469997 and 77335470024.

It is not an unprimeable number, because it can be changed into a prime (77335470067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2733091 + ... + 2761241.

It is an arithmetic number, because the mean of its divisors is an integer number (2672525664).

Almost surely, 2^77335470066 is an apocalyptic number.

77335470066 is an abundant number, since it is smaller than the sum of its proper divisors (93706172430).

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

77335470066 is a wasteful number, since it uses less digits than its factorization.

77335470066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29367.

The product of its (nonzero) digits is 2222640, while the sum is 48.

The spelling of 77335470066 in words is "seventy-seven billion, three hundred thirty-five million, four hundred seventy thousand, sixty-six".