4077397931 has 2 divisors, whose sum is σ = 4077397932. Its totient is φ = 4077397930.

The previous prime is 4077397921. The next prime is 4077397937. The reversal of 4077397931 is 1397937704.

4077397931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4077397931 - 2⁶ = 4077397867 is a prime.

It is a super-2 number, since 2×4077397931² = 33250347775446161522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4077397931.

It is not a weakly prime, because it can be changed into another prime (4077397937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2038698965 + 2038698966.

It is an arithmetic number, because the mean of its divisors is an integer number (2038698966).

Almost surely, 2^4077397931 is an apocalyptic number.

4077397931 is a deficient number, since it is larger than the sum of its proper divisors (1).

4077397931 is an equidigital number, since it uses as much as digits as its factorization.

4077397931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1000188, while the sum is 50.

The square root of 4077397931 is about 63854.5059569017. The cubic root of 4077397931 is about 1597.5741795797.

The spelling of 4077397931 in words is "four billion, seventy-seven million, three hundred ninety-seven thousand, nine hundred thirty-one".