158783044877 has 2 divisors, whose sum is σ = 158783044878. Its totient is φ = 158783044876.

The previous prime is 158783044873. The next prime is 158783044933. The reversal of 158783044877 is 778440387851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112586420521 + 46196624356 = 335539^2 + 214934^2 .

It is a cyclic number.

It is not a de Polignac number, because 158783044877 - 2² = 158783044873 is a prime.

It is a super-2 number, since 2×158783044877² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158783044873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79391522438 + 79391522439.

It is an arithmetic number, because the mean of its divisors is an integer number (79391522439).

Almost surely, 2^158783044877 is an apocalyptic number.

It is an amenable number.

158783044877 is a deficient number, since it is larger than the sum of its proper divisors (1).

158783044877 is an equidigital number, since it uses as much as digits as its factorization.

158783044877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42147840, while the sum is 62.

The spelling of 158783044877 in words is "one hundred fifty-eight billion, seven hundred eighty-three million, forty-four thousand, eight hundred seventy-seven".