355248996877 has 2 divisors, whose sum is σ = 355248996878. Its totient is φ = 355248996876.

The previous prime is 355248996871. The next prime is 355248996941. The reversal of 355248996877 is 778699842553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190038452356 + 165210544521 = 435934^2 + 406461^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355248996877 is a prime.

It is a super-2 number, since 2×355248996877² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355248996871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177624498438 + 177624498439.

It is an arithmetic number, because the mean of its divisors is an integer number (177624498439).

Almost surely, 2^355248996877 is an apocalyptic number.

It is an amenable number.

355248996877 is a deficient number, since it is larger than the sum of its proper divisors (1).

355248996877 is an equidigital number, since it uses as much as digits as its factorization.

355248996877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 914457600, while the sum is 73.

The spelling of 355248996877 in words is "three hundred fifty-five billion, two hundred forty-eight million, nine hundred ninety-six thousand, eight hundred seventy-seven".