3994962777 has 72 divisors (see below), whose sum is σ = 6498286080. Its totient is φ = 2361415680.

The previous prime is 3994962761. The next prime is 3994962799. The reversal of 3994962777 is 7772694993.

It is not a de Polignac number, because 3994962777 - 2⁴ = 3994962761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3994962737) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9099924 + ... + 9100362.

Almost surely, 2^3994962777 is an apocalyptic number.

It is an amenable number.

3994962777 is a deficient number, since it is larger than the sum of its proper divisors (2503323303).

3994962777 is a wasteful number, since it uses less digits than its factorization.

3994962777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695 (or 679 counting only the distinct ones).

The product of its digits is 36006768, while the sum is 63.

The square root of 3994962777 is about 63205.7179138090. The cubic root of 3994962777 is about 1586.7344309725.

The spelling of 3994962777 in words is "three billion, nine hundred ninety-four million, nine hundred sixty-two thousand, seven hundred seventy-seven".