4095977771991 has 16 divisors (see below), whose sum is σ = 6274167902208. Its totient is φ = 2328304490400.

The previous prime is 4095977771971. The next prime is 4095977772079. The reversal of 4095977771991 is 1991777795904.

It is a happy number.

It is not a de Polignac number, because 4095977771991 - 2⁶ = 4095977771927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4095977771971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510589080 + ... + 510597101.

It is an arithmetic number, because the mean of its divisors is an integer number (392135493888).

Almost surely, 2^{4095977771991} is an apocalyptic number.

4095977771991 is a deficient number, since it is larger than the sum of its proper divisors (2178190130217).

4095977771991 is a wasteful number, since it uses less digits than its factorization.

4095977771991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021186382.

The product of its (nonzero) digits is 315059220, while the sum is 75.

The spelling of 4095977771991 in words is "four trillion, ninety-five billion, nine hundred seventy-seven million, seven hundred seventy-one thousand, nine hundred ninety-one".