5851909856977 has 2 divisors, whose sum is σ = 5851909856978. Its totient is φ = 5851909856976.

The previous prime is 5851909856941. The next prime is 5851909856983. The reversal of 5851909856977 is 7796589091585.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4679191964736 + 1172717892241 = 2163144^2 + 1082921^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5851909856977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5851909856897 and 5851909856906.

It is not a weakly prime, because it can be changed into another prime (5851909850977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2925954928488 + 2925954928489.

It is an arithmetic number, because the mean of its divisors is an integer number (2925954928489).

Almost surely, 2^{5851909856977} is an apocalyptic number.

It is an amenable number.

5851909856977 is a deficient number, since it is larger than the sum of its proper divisors (1).

5851909856977 is an equidigital number, since it uses as much as digits as its factorization.

5851909856977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1714608000, while the sum is 79.

The spelling of 5851909856977 in words is "five trillion, eight hundred fifty-one billion, nine hundred nine million, eight hundred fifty-six thousand, nine hundred seventy-seven".