551367999977 has 2 divisors, whose sum is σ = 551367999978. Its totient is φ = 551367999976.

The previous prime is 551367999901. The next prime is 551368000013. The reversal of 551367999977 is 779999763155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 491820287401 + 59547712576 = 701299^2 + 244024^2 .

It is a cyclic number.

It is not a de Polignac number, because 551367999977 - 2¹² = 551367995881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551367999898 and 551367999907.

It is not a weakly prime, because it can be changed into another prime (551367990977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275683999988 + 275683999989.

It is an arithmetic number, because the mean of its divisors is an integer number (275683999989).

Almost surely, 2^551367999977 is an apocalyptic number.

It is an amenable number.

551367999977 is a deficient number, since it is larger than the sum of its proper divisors (1).

551367999977 is an equidigital number, since it uses as much as digits as its factorization.

551367999977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1012690350, while the sum is 77.

The spelling of 551367999977 in words is "five hundred fifty-one billion, three hundred sixty-seven million, nine hundred ninety-nine thousand, nine hundred seventy-seven".