30777907964 has 12 divisors (see below), whose sum is σ = 54285444864. Its totient is φ = 15267780864.

The previous prime is 30777907961. The next prime is 30777907981. The reversal of 30777907964 is 46970977703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30777907961) 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, 30292709 + ... + 30293724.

It is an arithmetic number, because the mean of its divisors is an integer number (4523787072).

Almost surely, 2^30777907964 is an apocalyptic number.

It is an amenable number.

30777907964 is a deficient number, since it is larger than the sum of its proper divisors (23507536900).

30777907964 is a wasteful number, since it uses less digits than its factorization.

30777907964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60586564 (or 60586562 counting only the distinct ones).

The product of its (nonzero) digits is 14002632, while the sum is 59.

The spelling of 30777907964 in words is "thirty billion, seven hundred seventy-seven million, nine hundred seven thousand, nine hundred sixty-four".