158383232977 has 2 divisors, whose sum is σ = 158383232978. Its totient is φ = 158383232976.

The previous prime is 158383232933. The next prime is 158383233013. The reversal of 158383232977 is 779232383851.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133806713616 + 24576519361 = 365796^2 + 156769^2 .

It is a cyclic number.

It is not a de Polignac number, because 158383232977 - 2⁷ = 158383232849 is a prime.

It is not a weakly prime, because it can be changed into another prime (158383232927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79191616488 + 79191616489.

It is an arithmetic number, because the mean of its divisors is an integer number (79191616489).

Almost surely, 2^158383232977 is an apocalyptic number.

It is an amenable number.

158383232977 is a deficient number, since it is larger than the sum of its proper divisors (1).

158383232977 is an equidigital number, since it uses as much as digits as its factorization.

158383232977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 58.

The spelling of 158383232977 in words is "one hundred fifty-eight billion, three hundred eighty-three million, two hundred thirty-two thousand, nine hundred seventy-seven".