3142777668 has 12 divisors (see below), whose sum is σ = 7333147920. Its totient is φ = 1047592552.

The previous prime is 3142777667. The next prime is 3142777697. The reversal of 3142777668 is 8667772413.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 3142777668.

It is not an unprimeable number, because it can be changed into a prime (3142777663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130949058 + ... + 130949081.

It is an arithmetic number, because the mean of its divisors is an integer number (611095660).

Almost surely, 2^3142777668 is an apocalyptic number.

It is an amenable number.

3142777668 is an abundant number, since it is smaller than the sum of its proper divisors (4190370252).

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

3142777668 is a wasteful number, since it uses less digits than its factorization.

3142777668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261898146 (or 261898144 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 51.

The square root of 3142777668 is about 56060.4822312474. The cubic root of 3142777668 is about 1464.7760133124.

The spelling of 3142777668 in words is "three billion, one hundred forty-two million, seven hundred seventy-seven thousand, six hundred sixty-eight".