152877666881 has 2 divisors, whose sum is σ = 152877666882. Its totient is φ = 152877666880.

The previous prime is 152877666859. The next prime is 152877666889. The reversal of 152877666881 is 188666778251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134424889600 + 18452777281 = 366640^2 + 135841^2 .

It is a cyclic number.

It is not a de Polignac number, because 152877666881 - 2¹⁸ = 152877404737 is a prime.

It is a super-2 number, since 2×152877666881² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (152877666889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76438833440 + 76438833441.

It is an arithmetic number, because the mean of its divisors is an integer number (76438833441).

Almost surely, 2^152877666881 is an apocalyptic number.

It is an amenable number.

152877666881 is a deficient number, since it is larger than the sum of its proper divisors (1).

152877666881 is an equidigital number, since it uses as much as digits as its factorization.

152877666881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54190080, while the sum is 65.

The spelling of 152877666881 in words is "one hundred fifty-two billion, eight hundred seventy-seven million, six hundred sixty-six thousand, eight hundred eighty-one".