5977921951 has 2 divisors, whose sum is σ = 5977921952. Its totient is φ = 5977921950.

The previous prime is 5977921913. The next prime is 5977921969. The reversal of 5977921951 is 1591297795.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5977921951 - 2⁷ = 5977921823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5977921892 and 5977921901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5977921451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2988960975 + 2988960976.

It is an arithmetic number, because the mean of its divisors is an integer number (2988960976).

Almost surely, 2^5977921951 is an apocalyptic number.

5977921951 is a deficient number, since it is larger than the sum of its proper divisors (1).

5977921951 is an equidigital number, since it uses as much as digits as its factorization.

5977921951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1786050, while the sum is 55.

The square root of 5977921951 is about 77317.0223883460. The cubic root of 5977921951 is about 1814.8890491666.

The spelling of 5977921951 in words is "five billion, nine hundred seventy-seven million, nine hundred twenty-one thousand, nine hundred fifty-one".