158263477 has 2 divisors, whose sum is σ = 158263478. Its totient is φ = 158263476.

The previous prime is 158263453. The next prime is 158263481. The reversal of 158263477 is 774362851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120428676 + 37834801 = 10974^2 + 6151^2 .

It is an emirp because it is prime and its reverse (774362851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158263477 - 2¹⁹ = 157739189 is a prime.

It is equal to p_8882575 and since 158263477 and 8882575 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158263877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79131738 + 79131739.

It is an arithmetic number, because the mean of its divisors is an integer number (79131739).

Almost surely, 2^158263477 is an apocalyptic number.

It is an amenable number.

158263477 is a deficient number, since it is larger than the sum of its proper divisors (1).

158263477 is an equidigital number, since it uses as much as digits as its factorization.

158263477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 43.

The square root of 158263477 is about 12580.2812766647. The cubic root of 158263477 is about 540.9123545581.

The spelling of 158263477 in words is "one hundred fifty-eight million, two hundred sixty-three thousand, four hundred seventy-seven".